Home / 18,443,331.40-27,681,727.65-9,351,753.70

Finding the Fourth Proportional to 18,443,331.40, 27,681,727.65 and 9,351,753.70

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Solution

The fourth proportional to 18,443,331.40, 27,681,727.65 and 9,351,753.70 is: 14,036,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,331.40 : 27,681,727.65 = 9,351,753.70 : x
  2. Step 2: Convert to fraction form
    18,443,331.40/27,681,727.65 = 9,351,753.70/x
  3. Step 3: Cross multiply
    18,443,331.40x = 27,681,727.65 × 9,351,753.70
  4. Step 4: Simplify right side
    18,443,331.40x = 258,872,698,973,279.78
  5. Step 5: Solve for x
    x = 258,872,698,973,279.78/18,443,331.40
  6. Step 6: Final answer
    x = 14,036,113.83

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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.