Home / 31,245,586.20-46,861,380.90-20,538,034.20

Finding the Fourth Proportional to 31,245,586.20, 46,861,380.90 and 20,538,034.20

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Solution

The fourth proportional to 31,245,586.20, 46,861,380.90 and 20,538,034.20 is: 30,802,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245,586.20 : 46,861,380.90 = 20,538,034.20 : x
  2. Step 2: Convert to fraction form
    31,245,586.20/46,861,380.90 = 20,538,034.20/x
  3. Step 3: Cross multiply
    31,245,586.20x = 46,861,380.90 × 20,538,034.20
  4. Step 4: Simplify right side
    31,245,586.20x = 962,440,643,583,426.75
  5. Step 5: Solve for x
    x = 962,440,643,583,426.75/31,245,586.20
  6. Step 6: Final answer
    x = 30,802,451.18

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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.