Home / 8,190,672.10-12,286,008.15-2,510,158.30

Finding the Fourth Proportional to 8,190,672.10, 12,286,008.15 and 2,510,158.30

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Solution

The fourth proportional to 8,190,672.10, 12,286,008.15 and 2,510,158.30 is: 3,765,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,672.10 : 12,286,008.15 = 2,510,158.30 : x
  2. Step 2: Convert to fraction form
    8,190,672.10/12,286,008.15 = 2,510,158.30/x
  3. Step 3: Cross multiply
    8,190,672.10x = 12,286,008.15 × 2,510,158.30
  4. Step 4: Simplify right side
    8,190,672.10x = 30,839,825,331,590.14
  5. Step 5: Solve for x
    x = 30,839,825,331,590.14/8,190,672.10
  6. Step 6: Final answer
    x = 3,765,237.45

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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.