Home / 8,516,711.40-12,775,067.10-5,493,402.60

Finding the Fourth Proportional to 8,516,711.40, 12,775,067.10 and 5,493,402.60

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Solution

The fourth proportional to 8,516,711.40, 12,775,067.10 and 5,493,402.60 is: 8,240,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,711.40 : 12,775,067.10 = 5,493,402.60 : x
  2. Step 2: Convert to fraction form
    8,516,711.40/12,775,067.10 = 5,493,402.60/x
  3. Step 3: Cross multiply
    8,516,711.40x = 12,775,067.10 × 5,493,402.60
  4. Step 4: Simplify right side
    8,516,711.40x = 70,178,586,822,314.45
  5. Step 5: Solve for x
    x = 70,178,586,822,314.45/8,516,711.40
  6. Step 6: Final answer
    x = 8,240,103.90

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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.