Home / 15,134,117.28-20,885,523.04-8,259,042.20

Finding the Fourth Proportional to 15,134,117.28, 20,885,523.04 and 8,259,042.20

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Solution

The fourth proportional to 15,134,117.28, 20,885,523.04 and 8,259,042.20 is: 11,397,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,117.28 : 20,885,523.04 = 8,259,042.20 : x
  2. Step 2: Convert to fraction form
    15,134,117.28/20,885,523.04 = 8,259,042.20/x
  3. Step 3: Cross multiply
    15,134,117.28x = 20,885,523.04 × 8,259,042.20
  4. Step 4: Simplify right side
    15,134,117.28x = 172,494,416,156,432.28
  5. Step 5: Solve for x
    x = 172,494,416,156,432.28/15,134,117.28
  6. Step 6: Final answer
    x = 11,397,719.01

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1.5x scale

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.