Home / 8,458,781.92-12,677,770.05-3,336,069.76

Finding the Fourth Proportional to 8,458,781.92, 12,677,770.05 and 3,336,069.76

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Solution

The fourth proportional to 8,458,781.92, 12,677,770.05 and 3,336,069.76 is: 5,000,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,781.92 : 12,677,770.05 = 3,336,069.76 : x
  2. Step 2: Convert to fraction form
    8,458,781.92/12,677,770.05 = 3,336,069.76/x
  3. Step 3: Cross multiply
    8,458,781.92x = 12,677,770.05 × 3,336,069.76
  4. Step 4: Simplify right side
    8,458,781.92x = 42,293,925,288,038.69
  5. Step 5: Solve for x
    x = 42,293,925,288,038.69/8,458,781.92
  6. Step 6: Final answer
    x = 5,000,001.85

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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.