Home / 12,371,385.76-17,071,691.93-6,864,411.62

Finding the Fourth Proportional to 12,371,385.76, 17,071,691.93 and 6,864,411.62

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Solution

The fourth proportional to 12,371,385.76, 17,071,691.93 and 6,864,411.62 is: 9,472,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,385.76 : 17,071,691.93 = 6,864,411.62 : x
  2. Step 2: Convert to fraction form
    12,371,385.76/17,071,691.93 = 6,864,411.62/x
  3. Step 3: Cross multiply
    12,371,385.76x = 17,071,691.93 × 6,864,411.62
  4. Step 4: Simplify right side
    12,371,385.76x = 117,187,120,491,450.94
  5. Step 5: Solve for x
    x = 117,187,120,491,450.94/12,371,385.76
  6. Step 6: Final answer
    x = 9,472,432.82

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1.5x scale

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.