Home / 7,782,910.92-11,681,542.80-3,947,425.20

Finding the Fourth Proportional to 7,782,910.92, 11,681,542.80 and 3,947,425.20

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Solution

The fourth proportional to 7,782,910.92, 11,681,542.80 and 3,947,425.20 is: 5,924,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,910.92 : 11,681,542.80 = 3,947,425.20 : x
  2. Step 2: Convert to fraction form
    7,782,910.92/11,681,542.80 = 3,947,425.20/x
  3. Step 3: Cross multiply
    7,782,910.92x = 11,681,542.80 × 3,947,425.20
  4. Step 4: Simplify right side
    7,782,910.92x = 46,112,016,423,598.56
  5. Step 5: Solve for x
    x = 46,112,016,423,598.56/7,782,910.92
  6. Step 6: Final answer
    x = 5,924,777.62

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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.