Home / 12,642,963.28-17,447,288.97-6,841,744.96

Finding the Fourth Proportional to 12,642,963.28, 17,447,288.97 and 6,841,744.96

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Solution

The fourth proportional to 12,642,963.28, 17,447,288.97 and 6,841,744.96 is: 9,441,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,963.28 : 17,447,288.97 = 6,841,744.96 : x
  2. Step 2: Convert to fraction form
    12,642,963.28/17,447,288.97 = 6,841,744.96/x
  3. Step 3: Cross multiply
    12,642,963.28x = 17,447,288.97 × 6,841,744.96
  4. Step 4: Simplify right side
    12,642,963.28x = 119,369,901,376,161.08
  5. Step 5: Solve for x
    x = 119,369,901,376,161.08/12,642,963.28
  6. Step 6: Final answer
    x = 9,441,607.85

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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.