Home / 10,784,451.90-16,176,677.85-5,115,747.90

Finding the Fourth Proportional to 10,784,451.90, 16,176,677.85 and 5,115,747.90

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Solution

The fourth proportional to 10,784,451.90, 16,176,677.85 and 5,115,747.90 is: 7,673,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784,451.90 : 16,176,677.85 = 5,115,747.90 : x
  2. Step 2: Convert to fraction form
    10,784,451.90/16,176,677.85 = 5,115,747.90/x
  3. Step 3: Cross multiply
    10,784,451.90x = 16,176,677.85 × 5,115,747.90
  4. Step 4: Simplify right side
    10,784,451.90x = 82,755,805,740,114.02
  5. Step 5: Solve for x
    x = 82,755,805,740,114.02/10,784,451.90
  6. Step 6: Final answer
    x = 7,673,621.85

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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.