Home / 12,687,613.61-17,508,862.50-6,886,395.05

Finding the Fourth Proportional to 12,687,613.61, 17,508,862.50 and 6,886,395.05

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Solution

The fourth proportional to 12,687,613.61, 17,508,862.50 and 6,886,395.05 is: 9,503,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,613.61 : 17,508,862.50 = 6,886,395.05 : x
  2. Step 2: Convert to fraction form
    12,687,613.61/17,508,862.50 = 6,886,395.05/x
  3. Step 3: Cross multiply
    12,687,613.61x = 17,508,862.50 × 6,886,395.05
  4. Step 4: Simplify right side
    12,687,613.61x = 120,572,944,051,130.62
  5. Step 5: Solve for x
    x = 120,572,944,051,130.62/12,687,613.61
  6. Step 6: Final answer
    x = 9,503,201.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.