Home / 15,342,414.21-21,172,488.21-8,466,847.11

Finding the Fourth Proportional to 15,342,414.21, 21,172,488.21 and 8,466,847.11

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Solution

The fourth proportional to 15,342,414.21, 21,172,488.21 and 8,466,847.11 is: 11,684,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,414.21 : 21,172,488.21 = 8,466,847.11 : x
  2. Step 2: Convert to fraction form
    15,342,414.21/21,172,488.21 = 8,466,847.11/x
  3. Step 3: Cross multiply
    15,342,414.21x = 21,172,488.21 × 8,466,847.11
  4. Step 4: Simplify right side
    15,342,414.21x = 179,264,220,612,347.56
  5. Step 5: Solve for x
    x = 179,264,220,612,347.56/15,342,414.21
  6. Step 6: Final answer
    x = 11,684,225.06

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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.