Home / 11,681,705.92-17,479,929.12-6,891,689.92

Finding the Fourth Proportional to 11,681,705.92, 17,479,929.12 and 6,891,689.92

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Solution

The fourth proportional to 11,681,705.92, 17,479,929.12 and 6,891,689.92 is: 10,312,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681,705.92 : 17,479,929.12 = 6,891,689.92 : x
  2. Step 2: Convert to fraction form
    11,681,705.92/17,479,929.12 = 6,891,689.92/x
  3. Step 3: Cross multiply
    11,681,705.92x = 17,479,929.12 × 6,891,689.92
  4. Step 4: Simplify right side
    11,681,705.92x = 120,466,251,318,618.47
  5. Step 5: Solve for x
    x = 120,466,251,318,618.47/11,681,705.92
  6. Step 6: Final answer
    x = 10,312,385.21

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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.