Home / 15,141,213.70-20,894,959.77-8,614,843.02

Finding the Fourth Proportional to 15,141,213.70, 20,894,959.77 and 8,614,843.02

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Solution

The fourth proportional to 15,141,213.70, 20,894,959.77 and 8,614,843.02 is: 11,888,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,213.70 : 20,894,959.77 = 8,614,843.02 : x
  2. Step 2: Convert to fraction form
    15,141,213.70/20,894,959.77 = 8,614,843.02/x
  3. Step 3: Cross multiply
    15,141,213.70x = 20,894,959.77 × 8,614,843.02
  4. Step 4: Simplify right side
    15,141,213.70x = 180,006,798,327,765.28
  5. Step 5: Solve for x
    x = 180,006,798,327,765.28/15,141,213.70
  6. Step 6: Final answer
    x = 11,888,531.65

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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.