Home / 10,449,015.10-15,673,522.65-7,898,098.30

Finding the Fourth Proportional to 10,449,015.10, 15,673,522.65 and 7,898,098.30

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Solution

The fourth proportional to 10,449,015.10, 15,673,522.65 and 7,898,098.30 is: 11,847,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449,015.10 : 15,673,522.65 = 7,898,098.30 : x
  2. Step 2: Convert to fraction form
    10,449,015.10/15,673,522.65 = 7,898,098.30/x
  3. Step 3: Cross multiply
    10,449,015.10x = 15,673,522.65 × 7,898,098.30
  4. Step 4: Simplify right side
    10,449,015.10x = 123,791,022,596,976.50
  5. Step 5: Solve for x
    x = 123,791,022,596,976.50/10,449,015.10
  6. Step 6: Final answer
    x = 11,847,147.45

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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.