Home / 10,121,046.20-15,181,569.30-9,144,769.40

Finding the Fourth Proportional to 10,121,046.20, 15,181,569.30 and 9,144,769.40

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Solution

The fourth proportional to 10,121,046.20, 15,181,569.30 and 9,144,769.40 is: 13,717,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,046.20 : 15,181,569.30 = 9,144,769.40 : x
  2. Step 2: Convert to fraction form
    10,121,046.20/15,181,569.30 = 9,144,769.40/x
  3. Step 3: Cross multiply
    10,121,046.20x = 15,181,569.30 × 9,144,769.40
  4. Step 4: Simplify right side
    10,121,046.20x = 138,831,950,378,619.44
  5. Step 5: Solve for x
    x = 138,831,950,378,619.44/10,121,046.20
  6. Step 6: Final answer
    x = 13,717,154.10

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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.