Home / 8,165,982.38-12,240,739.47-5,135,513.90

Finding the Fourth Proportional to 8,165,982.38, 12,240,739.47 and 5,135,513.90

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Solution

The fourth proportional to 8,165,982.38, 12,240,739.47 and 5,135,513.90 is: 7,698,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165,982.38 : 12,240,739.47 = 5,135,513.90 : x
  2. Step 2: Convert to fraction form
    8,165,982.38/12,240,739.47 = 5,135,513.90/x
  3. Step 3: Cross multiply
    8,165,982.38x = 12,240,739.47 × 5,135,513.90
  4. Step 4: Simplify right side
    8,165,982.38x = 62,862,487,694,463.64
  5. Step 5: Solve for x
    x = 62,862,487,694,463.64/8,165,982.38
  6. Step 6: Final answer
    x = 7,698,092.50

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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.