Home / 15,002,521.22-20,703,542.73-8,127,003.29

Finding the Fourth Proportional to 15,002,521.22, 20,703,542.73 and 8,127,003.29

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Solution

The fourth proportional to 15,002,521.22, 20,703,542.73 and 8,127,003.29 is: 11,215,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002,521.22 : 20,703,542.73 = 8,127,003.29 : x
  2. Step 2: Convert to fraction form
    15,002,521.22/20,703,542.73 = 8,127,003.29/x
  3. Step 3: Cross multiply
    15,002,521.22x = 20,703,542.73 × 8,127,003.29
  4. Step 4: Simplify right side
    15,002,521.22x = 168,257,759,747,371.62
  5. Step 5: Solve for x
    x = 168,257,759,747,371.62/15,002,521.22
  6. Step 6: Final answer
    x = 11,215,298.90

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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.