Home / 7,187,701.50-9,919,166.18-3,924,645.56

Finding the Fourth Proportional to 7,187,701.50, 9,919,166.18 and 3,924,645.56

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Solution

The fourth proportional to 7,187,701.50, 9,919,166.18 and 3,924,645.56 is: 5,416,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,701.50 : 9,919,166.18 = 3,924,645.56 : x
  2. Step 2: Convert to fraction form
    7,187,701.50/9,919,166.18 = 3,924,645.56/x
  3. Step 3: Cross multiply
    7,187,701.50x = 9,919,166.18 × 3,924,645.56
  4. Step 4: Simplify right side
    7,187,701.50x = 38,929,211,541,848.69
  5. Step 5: Solve for x
    x = 38,929,211,541,848.69/7,187,701.50
  6. Step 6: Final answer
    x = 5,416,086.29

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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.