Home / 6,687,900.80-10,031,851.20-4,376,132.45

Finding the Fourth Proportional to 6,687,900.80, 10,031,851.20 and 4,376,132.45

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Solution

The fourth proportional to 6,687,900.80, 10,031,851.20 and 4,376,132.45 is: 6,564,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,900.80 : 10,031,851.20 = 4,376,132.45 : x
  2. Step 2: Convert to fraction form
    6,687,900.80/10,031,851.20 = 4,376,132.45/x
  3. Step 3: Cross multiply
    6,687,900.80x = 10,031,851.20 × 4,376,132.45
  4. Step 4: Simplify right side
    6,687,900.80x = 43,900,709,569,891.44
  5. Step 5: Solve for x
    x = 43,900,709,569,891.44/6,687,900.80
  6. Step 6: Final answer
    x = 6,564,198.68

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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.