Home / 21,494,452.57-29,662,049.28-12,201,941.55

Finding the Fourth Proportional to 21,494,452.57, 29,662,049.28 and 12,201,941.55

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Solution

The fourth proportional to 21,494,452.57, 29,662,049.28 and 12,201,941.55 is: 16,838,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494,452.57 : 29,662,049.28 = 12,201,941.55 : x
  2. Step 2: Convert to fraction form
    21,494,452.57/29,662,049.28 = 12,201,941.55/x
  3. Step 3: Cross multiply
    21,494,452.57x = 29,662,049.28 × 12,201,941.55
  4. Step 4: Simplify right side
    21,494,452.57x = 361,934,591,567,779.62
  5. Step 5: Solve for x
    x = 361,934,591,567,779.62/21,494,452.57
  6. Step 6: Final answer
    x = 16,838,511.72

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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.