Home / 19,932,404.20-29,879,943.90-15,612,058.60

Finding the Fourth Proportional to 19,932,404.20, 29,879,943.90 and 15,612,058.60

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Solution

The fourth proportional to 19,932,404.20, 29,879,943.90 and 15,612,058.60 is: 23,403,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,404.20 : 29,879,943.90 = 15,612,058.60 : x
  2. Step 2: Convert to fraction form
    19,932,404.20/29,879,943.90 = 15,612,058.60/x
  3. Step 3: Cross multiply
    19,932,404.20x = 29,879,943.90 × 15,612,058.60
  4. Step 4: Simplify right side
    19,932,404.20x = 466,487,435,131,512.50
  5. Step 5: Solve for x
    x = 466,487,435,131,512.50/19,932,404.20
  6. Step 6: Final answer
    x = 23,403,470.57

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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.