Home / 10,377,210.05-15,565,815.08-9,789,344.45

Finding the Fourth Proportional to 10,377,210.05, 15,565,815.08 and 9,789,344.45

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Solution

The fourth proportional to 10,377,210.05, 15,565,815.08 and 9,789,344.45 is: 14,684,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,210.05 : 15,565,815.08 = 9,789,344.45 : x
  2. Step 2: Convert to fraction form
    10,377,210.05/15,565,815.08 = 9,789,344.45/x
  3. Step 3: Cross multiply
    10,377,210.05x = 15,565,815.08 × 9,789,344.45
  4. Step 4: Simplify right side
    10,377,210.05x = 152,379,125,414,177.56
  5. Step 5: Solve for x
    x = 152,379,125,414,177.56/10,377,210.05
  6. Step 6: Final answer
    x = 14,684,016.68

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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.