Home / 20,177,514.76-30,265,425.40-9,391,105.48

Finding the Fourth Proportional to 20,177,514.76, 30,265,425.40 and 9,391,105.48

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Solution

The fourth proportional to 20,177,514.76, 30,265,425.40 and 9,391,105.48 is: 14,086,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,514.76 : 30,265,425.40 = 9,391,105.48 : x
  2. Step 2: Convert to fraction form
    20,177,514.76/30,265,425.40 = 9,391,105.48/x
  3. Step 3: Cross multiply
    20,177,514.76x = 30,265,425.40 × 9,391,105.48
  4. Step 4: Simplify right side
    20,177,514.76x = 284,225,802,328,471.19
  5. Step 5: Solve for x
    x = 284,225,802,328,471.19/20,177,514.76
  6. Step 6: Final answer
    x = 14,086,264.13

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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.