Home / 19,422,139.20-29,144,872.80-8,061,403.20

Finding the Fourth Proportional to 19,422,139.20, 29,144,872.80 and 8,061,403.20

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Solution

The fourth proportional to 19,422,139.20, 29,144,872.80 and 8,061,403.20 is: 12,096,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,139.20 : 29,144,872.80 = 8,061,403.20 : x
  2. Step 2: Convert to fraction form
    19,422,139.20/29,144,872.80 = 8,061,403.20/x
  3. Step 3: Cross multiply
    19,422,139.20x = 29,144,872.80 × 8,061,403.20
  4. Step 4: Simplify right side
    19,422,139.20x = 234,948,570,853,512.97
  5. Step 5: Solve for x
    x = 234,948,570,853,512.97/19,422,139.20
  6. Step 6: Final answer
    x = 12,096,946.09

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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.