Home / 20,413,073.70-30,619,610.55-14,035,781.70

Finding the Fourth Proportional to 20,413,073.70, 30,619,610.55 and 14,035,781.70

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Solution

The fourth proportional to 20,413,073.70, 30,619,610.55 and 14,035,781.70 is: 21,053,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413,073.70 : 30,619,610.55 = 14,035,781.70 : x
  2. Step 2: Convert to fraction form
    20,413,073.70/30,619,610.55 = 14,035,781.70/x
  3. Step 3: Cross multiply
    20,413,073.70x = 30,619,610.55 × 14,035,781.70
  4. Step 4: Simplify right side
    20,413,073.70x = 429,770,169,418,816.94
  5. Step 5: Solve for x
    x = 429,770,169,418,816.94/20,413,073.70
  6. Step 6: Final answer
    x = 21,053,672.55

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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.