Home / 12,687,481-17,508,743.02-6,886,264.86

Finding the Fourth Proportional to 12,687,481, 17,508,743.02 and 6,886,264.86

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Solution

The fourth proportional to 12,687,481, 17,508,743.02 and 6,886,264.86 is: 9,503,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,481 : 17,508,743.02 = 6,886,264.86 : x
  2. Step 2: Convert to fraction form
    12,687,481/17,508,743.02 = 6,886,264.86/x
  3. Step 3: Cross multiply
    12,687,481x = 17,508,743.02 × 6,886,264.86
  4. Step 4: Simplify right side
    12,687,481x = 120,569,841,801,396.28
  5. Step 5: Solve for x
    x = 120,569,841,801,396.28/12,687,481
  6. Step 6: Final answer
    x = 9,503,055.95

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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.