Home / 20,157,891.30-30,236,946.30-5,011,822.80

Finding the Fourth Proportional to 20,157,891.30, 30,236,946.30 and 5,011,822.80

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Solution

The fourth proportional to 20,157,891.30, 30,236,946.30 and 5,011,822.80 is: 7,517,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,891.30 : 30,236,946.30 = 5,011,822.80 : x
  2. Step 2: Convert to fraction form
    20,157,891.30/30,236,946.30 = 5,011,822.80/x
  3. Step 3: Cross multiply
    20,157,891.30x = 30,236,946.30 × 5,011,822.80
  4. Step 4: Simplify right side
    20,157,891.30x = 151,542,216,868,715.62
  5. Step 5: Solve for x
    x = 151,542,216,868,715.62/20,157,891.30
  6. Step 6: Final answer
    x = 7,517,761.39

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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.