Home / 10,367,998.20-15,551,997.30-7,344,689.40

Finding the Fourth Proportional to 10,367,998.20, 15,551,997.30 and 7,344,689.40

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Solution

The fourth proportional to 10,367,998.20, 15,551,997.30 and 7,344,689.40 is: 11,017,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,998.20 : 15,551,997.30 = 7,344,689.40 : x
  2. Step 2: Convert to fraction form
    10,367,998.20/15,551,997.30 = 7,344,689.40/x
  3. Step 3: Cross multiply
    10,367,998.20x = 15,551,997.30 × 7,344,689.40
  4. Step 4: Simplify right side
    10,367,998.20x = 114,224,589,718,138.62
  5. Step 5: Solve for x
    x = 114,224,589,718,138.62/10,367,998.20
  6. Step 6: Final answer
    x = 11,017,034.10

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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.