Home / 12,620,532.18-17,445,755.25-11,257,385.88

Finding the Fourth Proportional to 12,620,532.18, 17,445,755.25 and 11,257,385.88

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Solution

The fourth proportional to 12,620,532.18, 17,445,755.25 and 11,257,385.88 is: 15,561,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620,532.18 : 17,445,755.25 = 11,257,385.88 : x
  2. Step 2: Convert to fraction form
    12,620,532.18/17,445,755.25 = 11,257,385.88/x
  3. Step 3: Cross multiply
    12,620,532.18x = 17,445,755.25 × 11,257,385.88
  4. Step 4: Simplify right side
    12,620,532.18x = 196,393,598,817,285.88
  5. Step 5: Solve for x
    x = 196,393,598,817,285.88/12,620,532.18
  6. Step 6: Final answer
    x = 15,561,435.60

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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.