Home / 8,311,956.90-12,475,808.55-5,123,310.90

Finding the Fourth Proportional to 8,311,956.90, 12,475,808.55 and 5,123,310.90

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Solution

The fourth proportional to 8,311,956.90, 12,475,808.55 and 5,123,310.90 is: 7,689,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,956.90 : 12,475,808.55 = 5,123,310.90 : x
  2. Step 2: Convert to fraction form
    8,311,956.90/12,475,808.55 = 5,123,310.90/x
  3. Step 3: Cross multiply
    8,311,956.90x = 12,475,808.55 × 5,123,310.90
  4. Step 4: Simplify right side
    8,311,956.90x = 63,917,445,930,528.20
  5. Step 5: Solve for x
    x = 63,917,445,930,528.20/8,311,956.90
  6. Step 6: Final answer
    x = 7,689,819.22

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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.