Home / 15,661,385.90-23,492,078.85-8,486,932.40

Finding the Fourth Proportional to 15,661,385.90, 23,492,078.85 and 8,486,932.40

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Solution

The fourth proportional to 15,661,385.90, 23,492,078.85 and 8,486,932.40 is: 12,730,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,385.90 : 23,492,078.85 = 8,486,932.40 : x
  2. Step 2: Convert to fraction form
    15,661,385.90/23,492,078.85 = 8,486,932.40/x
  3. Step 3: Cross multiply
    15,661,385.90x = 23,492,078.85 × 8,486,932.40
  4. Step 4: Simplify right side
    15,661,385.90x = 199,375,685,135,419.75
  5. Step 5: Solve for x
    x = 199,375,685,135,419.75/15,661,385.90
  6. Step 6: Final answer
    x = 12,730,398.60

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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.