Home / 20,726,462.50-31,058,988.54-8,415,455.20

Finding the Fourth Proportional to 20,726,462.50, 31,058,988.54 and 8,415,455.20

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Solution

The fourth proportional to 20,726,462.50, 31,058,988.54 and 8,415,455.20 is: 12,610,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,462.50 : 31,058,988.54 = 8,415,455.20 : x
  2. Step 2: Convert to fraction form
    20,726,462.50/31,058,988.54 = 8,415,455.20/x
  3. Step 3: Cross multiply
    20,726,462.50x = 31,058,988.54 × 8,415,455.20
  4. Step 4: Simplify right side
    20,726,462.50x = 261,375,526,615,683.38
  5. Step 5: Solve for x
    x = 261,375,526,615,683.38/20,726,462.50
  6. Step 6: Final answer
    x = 12,610,715.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.