Home / 12,418,393.20-17,137,763.63-6,912,073.95

Finding the Fourth Proportional to 12,418,393.20, 17,137,763.63 and 6,912,073.95

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Solution

The fourth proportional to 12,418,393.20, 17,137,763.63 and 6,912,073.95 is: 9,538,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,393.20 : 17,137,763.63 = 6,912,073.95 : x
  2. Step 2: Convert to fraction form
    12,418,393.20/17,137,763.63 = 6,912,073.95/x
  3. Step 3: Cross multiply
    12,418,393.20x = 17,137,763.63 × 6,912,073.95
  4. Step 4: Simplify right side
    12,418,393.20x = 118,457,489,475,273.73
  5. Step 5: Solve for x
    x = 118,457,489,475,273.73/12,418,393.20
  6. Step 6: Final answer
    x = 9,538,874.12

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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.