Home / 10,331,331.40-15,496,997.10-9,215,305.30

Finding the Fourth Proportional to 10,331,331.40, 15,496,997.10 and 9,215,305.30

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Solution

The fourth proportional to 10,331,331.40, 15,496,997.10 and 9,215,305.30 is: 13,822,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331,331.40 : 15,496,997.10 = 9,215,305.30 : x
  2. Step 2: Convert to fraction form
    10,331,331.40/15,496,997.10 = 9,215,305.30/x
  3. Step 3: Cross multiply
    10,331,331.40x = 15,496,997.10 × 9,215,305.30
  4. Step 4: Simplify right side
    10,331,331.40x = 142,809,559,509,714.62
  5. Step 5: Solve for x
    x = 142,809,559,509,714.62/10,331,331.40
  6. Step 6: Final answer
    x = 13,822,957.95

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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.