Home / 10,856,676.87-16,288,167.15-4,376,407.92

Finding the Fourth Proportional to 10,856,676.87, 16,288,167.15 and 4,376,407.92

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Solution

The fourth proportional to 10,856,676.87, 16,288,167.15 and 4,376,407.92 is: 6,565,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,676.87 : 16,288,167.15 = 4,376,407.92 : x
  2. Step 2: Convert to fraction form
    10,856,676.87/16,288,167.15 = 4,376,407.92/x
  3. Step 3: Cross multiply
    10,856,676.87x = 16,288,167.15 × 4,376,407.92
  4. Step 4: Simplify right side
    10,856,676.87x = 71,283,663,717,543.83
  5. Step 5: Solve for x
    x = 71,283,663,717,543.83/10,856,676.87
  6. Step 6: Final answer
    x = 6,565,882.41

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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.