Home / 12,747,905.48-17,591,663.22-7,165,981.64

Finding the Fourth Proportional to 12,747,905.48, 17,591,663.22 and 7,165,981.64

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Solution

The fourth proportional to 12,747,905.48, 17,591,663.22 and 7,165,981.64 is: 9,888,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,905.48 : 17,591,663.22 = 7,165,981.64 : x
  2. Step 2: Convert to fraction form
    12,747,905.48/17,591,663.22 = 7,165,981.64/x
  3. Step 3: Cross multiply
    12,747,905.48x = 17,591,663.22 × 7,165,981.64
  4. Step 4: Simplify right side
    12,747,905.48x = 126,061,535,651,583.27
  5. Step 5: Solve for x
    x = 126,061,535,651,583.27/12,747,905.48
  6. Step 6: Final answer
    x = 9,888,803.76

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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.