Home / 7,614,112.10-11,421,168.15-7,141,720.10

Finding the Fourth Proportional to 7,614,112.10, 11,421,168.15 and 7,141,720.10

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Solution

The fourth proportional to 7,614,112.10, 11,421,168.15 and 7,141,720.10 is: 10,712,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614,112.10 : 11,421,168.15 = 7,141,720.10 : x
  2. Step 2: Convert to fraction form
    7,614,112.10/11,421,168.15 = 7,141,720.10/x
  3. Step 3: Cross multiply
    7,614,112.10x = 11,421,168.15 × 7,141,720.10
  4. Step 4: Simplify right side
    7,614,112.10x = 81,566,786,142,334.81
  5. Step 5: Solve for x
    x = 81,566,786,142,334.81/7,614,112.10
  6. Step 6: Final answer
    x = 10,712,580.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.