Home / 13,174,320.72-18,182,471.92-7,591,481.04

Finding the Fourth Proportional to 13,174,320.72, 18,182,471.92 and 7,591,481.04

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Solution

The fourth proportional to 13,174,320.72, 18,182,471.92 and 7,591,481.04 is: 10,477,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,320.72 : 18,182,471.92 = 7,591,481.04 : x
  2. Step 2: Convert to fraction form
    13,174,320.72/18,182,471.92 = 7,591,481.04/x
  3. Step 3: Cross multiply
    13,174,320.72x = 18,182,471.92 × 7,591,481.04
  4. Step 4: Simplify right side
    13,174,320.72x = 138,031,890,841,012.41
  5. Step 5: Solve for x
    x = 138,031,890,841,012.41/13,174,320.72
  6. Step 6: Final answer
    x = 10,477,344.05

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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.