Home / 15,320,089.34-21,141,086.97-8,350,613.56

Finding the Fourth Proportional to 15,320,089.34, 21,141,086.97 and 8,350,613.56

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Solution

The fourth proportional to 15,320,089.34, 21,141,086.97 and 8,350,613.56 is: 11,523,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,089.34 : 21,141,086.97 = 8,350,613.56 : x
  2. Step 2: Convert to fraction form
    15,320,089.34/21,141,086.97 = 8,350,613.56/x
  3. Step 3: Cross multiply
    15,320,089.34x = 21,141,086.97 × 8,350,613.56
  4. Step 4: Simplify right side
    15,320,089.34x = 176,541,047,582,562.47
  5. Step 5: Solve for x
    x = 176,541,047,582,562.47/15,320,089.34
  6. Step 6: Final answer
    x = 11,523,499.88

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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.