Home / 12,469,108.38-18,687,127.77-6,403,595.10

Finding the Fourth Proportional to 12,469,108.38, 18,687,127.77 and 6,403,595.10

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Solution

The fourth proportional to 12,469,108.38, 18,687,127.77 and 6,403,595.10 is: 9,596,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,108.38 : 18,687,127.77 = 6,403,595.10 : x
  2. Step 2: Convert to fraction form
    12,469,108.38/18,687,127.77 = 6,403,595.10/x
  3. Step 3: Cross multiply
    12,469,108.38x = 18,687,127.77 × 6,403,595.10
  4. Step 4: Simplify right side
    12,469,108.38x = 119,664,799,821,045.92
  5. Step 5: Solve for x
    x = 119,664,799,821,045.92/12,469,108.38
  6. Step 6: Final answer
    x = 9,596,901.09

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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.