Home / 12,687,493.23-17,508,753.62-6,886,276.17

Finding the Fourth Proportional to 12,687,493.23, 17,508,753.62 and 6,886,276.17

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Solution

The fourth proportional to 12,687,493.23, 17,508,753.62 and 6,886,276.17 is: 9,503,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,493.23 : 17,508,753.62 = 6,886,276.17 : x
  2. Step 2: Convert to fraction form
    12,687,493.23/17,508,753.62 = 6,886,276.17/x
  3. Step 3: Cross multiply
    12,687,493.23x = 17,508,753.62 × 6,886,276.17
  4. Step 4: Simplify right side
    12,687,493.23x = 120,570,112,785,375.84
  5. Step 5: Solve for x
    x = 120,570,112,785,375.84/12,687,493.23
  6. Step 6: Final answer
    x = 9,503,068.15

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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.