Home / 14,939,793.89-20,616,635.59-9,138,149.45

Finding the Fourth Proportional to 14,939,793.89, 20,616,635.59 and 9,138,149.45

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Solution

The fourth proportional to 14,939,793.89, 20,616,635.59 and 9,138,149.45 is: 12,610,474.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,793.89 : 20,616,635.59 = 9,138,149.45 : x
  2. Step 2: Convert to fraction form
    14,939,793.89/20,616,635.59 = 9,138,149.45/x
  3. Step 3: Cross multiply
    14,939,793.89x = 20,616,635.59 × 9,138,149.45
  4. Step 4: Simplify right side
    14,939,793.89x = 188,397,897,177,608.91
  5. Step 5: Solve for x
    x = 188,397,897,177,608.91/14,939,793.89
  6. Step 6: Final answer
    x = 12,610,474.99

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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.