Home / 20,733,910.92-28,618,488.12-12,034,886.08

Finding the Fourth Proportional to 20,733,910.92, 28,618,488.12 and 12,034,886.08

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Solution

The fourth proportional to 20,733,910.92, 28,618,488.12 and 12,034,886.08 is: 16,611,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,910.92 : 28,618,488.12 = 12,034,886.08 : x
  2. Step 2: Convert to fraction form
    20,733,910.92/28,618,488.12 = 12,034,886.08/x
  3. Step 3: Cross multiply
    20,733,910.92x = 28,618,488.12 × 12,034,886.08
  4. Step 4: Simplify right side
    20,733,910.92x = 344,420,244,306,033.38
  5. Step 5: Solve for x
    x = 344,420,244,306,033.38/20,733,910.92
  6. Step 6: Final answer
    x = 16,611,446.13

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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.