Home / 34,450,847.20-47,543,025.30-21,215,013.88

Finding the Fourth Proportional to 34,450,847.20, 47,543,025.30 and 21,215,013.88

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Solution

The fourth proportional to 34,450,847.20, 47,543,025.30 and 21,215,013.88 is: 29,277,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,450,847.20 : 47,543,025.30 = 21,215,013.88 : x
  2. Step 2: Convert to fraction form
    34,450,847.20/47,543,025.30 = 21,215,013.88/x
  3. Step 3: Cross multiply
    34,450,847.20x = 47,543,025.30 × 21,215,013.88
  4. Step 4: Simplify right side
    34,450,847.20x = 1,008,625,941,636,691
  5. Step 5: Solve for x
    x = 1,008,625,941,636,691/34,450,847.20
  6. Step 6: Final answer
    x = 29,277,246.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.