Home / 18,715,660.80-28,073,491.20-4,532,236.80

Finding the Fourth Proportional to 18,715,660.80, 28,073,491.20 and 4,532,236.80

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Solution

The fourth proportional to 18,715,660.80, 28,073,491.20 and 4,532,236.80 is: 6,798,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,660.80 : 28,073,491.20 = 4,532,236.80 : x
  2. Step 2: Convert to fraction form
    18,715,660.80/28,073,491.20 = 4,532,236.80/x
  3. Step 3: Cross multiply
    18,715,660.80x = 28,073,491.20 × 4,532,236.80
  4. Step 4: Simplify right side
    18,715,660.80x = 127,235,709,921,116.16
  5. Step 5: Solve for x
    x = 127,235,709,921,116.16/18,715,660.80
  6. Step 6: Final answer
    x = 6,798,355.20

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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.