Home / 16,171,729.18-22,318,943.28-9,204,100.88

Finding the Fourth Proportional to 16,171,729.18, 22,318,943.28 and 9,204,100.88

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Solution

The fourth proportional to 16,171,729.18, 22,318,943.28 and 9,204,100.88 is: 12,702,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,171,729.18 : 22,318,943.28 = 9,204,100.88 : x
  2. Step 2: Convert to fraction form
    16,171,729.18/22,318,943.28 = 9,204,100.88/x
  3. Step 3: Cross multiply
    16,171,729.18x = 22,318,943.28 × 9,204,100.88
  4. Step 4: Simplify right side
    16,171,729.18x = 205,425,805,338,008
  5. Step 5: Solve for x
    x = 205,425,805,338,008/16,171,729.18
  6. Step 6: Final answer
    x = 12,702,773.04

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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.