Home / 15,194,422.88-20,968,353.75-8,225,098.55

Finding the Fourth Proportional to 15,194,422.88, 20,968,353.75 and 8,225,098.55

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Solution

The fourth proportional to 15,194,422.88, 20,968,353.75 and 8,225,098.55 is: 11,350,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,422.88 : 20,968,353.75 = 8,225,098.55 : x
  2. Step 2: Convert to fraction form
    15,194,422.88/20,968,353.75 = 8,225,098.55/x
  3. Step 3: Cross multiply
    15,194,422.88x = 20,968,353.75 × 8,225,098.55
  4. Step 4: Simplify right side
    15,194,422.88x = 172,466,775,920,170.28
  5. Step 5: Solve for x
    x = 172,466,775,920,170.28/15,194,422.88
  6. Step 6: Final answer
    x = 11,350,663.15

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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.