Home / 17,387,854.15-26,081,781.23-10,921,332.55

Finding the Fourth Proportional to 17,387,854.15, 26,081,781.23 and 10,921,332.55

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Solution

The fourth proportional to 17,387,854.15, 26,081,781.23 and 10,921,332.55 is: 16,381,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,854.15 : 26,081,781.23 = 10,921,332.55 : x
  2. Step 2: Convert to fraction form
    17,387,854.15/26,081,781.23 = 10,921,332.55/x
  3. Step 3: Cross multiply
    17,387,854.15x = 26,081,781.23 × 10,921,332.55
  4. Step 4: Simplify right side
    17,387,854.15x = 284,847,806,309,178.06
  5. Step 5: Solve for x
    x = 284,847,806,309,178.06/17,387,854.15
  6. Step 6: Final answer
    x = 16,381,998.83

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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.