Home / 22,103,948.82-30,491,772.93-15,216,473.46

Finding the Fourth Proportional to 22,103,948.82, 30,491,772.93 and 15,216,473.46

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Solution

The fourth proportional to 22,103,948.82, 30,491,772.93 and 15,216,473.46 is: 20,990,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103,948.82 : 30,491,772.93 = 15,216,473.46 : x
  2. Step 2: Convert to fraction form
    22,103,948.82/30,491,772.93 = 15,216,473.46/x
  3. Step 3: Cross multiply
    22,103,948.82x = 30,491,772.93 × 15,216,473.46
  4. Step 4: Simplify right side
    22,103,948.82x = 463,977,253,537,691.44
  5. Step 5: Solve for x
    x = 463,977,253,537,691.44/22,103,948.82
  6. Step 6: Final answer
    x = 20,990,695.25

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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.