Home / 10,121,049.70-15,181,574.55-9,144,772.90

Finding the Fourth Proportional to 10,121,049.70, 15,181,574.55 and 9,144,772.90

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Solution

The fourth proportional to 10,121,049.70, 15,181,574.55 and 9,144,772.90 is: 13,717,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,049.70 : 15,181,574.55 = 9,144,772.90 : x
  2. Step 2: Convert to fraction form
    10,121,049.70/15,181,574.55 = 9,144,772.90/x
  3. Step 3: Cross multiply
    10,121,049.70x = 15,181,574.55 × 9,144,772.90
  4. Step 4: Simplify right side
    10,121,049.70x = 138,832,051,524,169.70
  5. Step 5: Solve for x
    x = 138,832,051,524,169.70/10,121,049.70
  6. Step 6: Final answer
    x = 13,717,159.35

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Similar ratio
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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.