Home / 12,516,517.70-17,270,821.43-7,290,385.95

Finding the Fourth Proportional to 12,516,517.70, 17,270,821.43 and 7,290,385.95

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Solution

The fourth proportional to 12,516,517.70, 17,270,821.43 and 7,290,385.95 is: 10,059,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,517.70 : 17,270,821.43 = 7,290,385.95 : x
  2. Step 2: Convert to fraction form
    12,516,517.70/17,270,821.43 = 7,290,385.95/x
  3. Step 3: Cross multiply
    12,516,517.70x = 17,270,821.43 × 7,290,385.95
  4. Step 4: Simplify right side
    12,516,517.70x = 125,910,953,898,230.91
  5. Step 5: Solve for x
    x = 125,910,953,898,230.91/12,516,517.70
  6. Step 6: Final answer
    x = 10,059,583.42

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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.