Home / 40,094,990.46-55,331,086.86-21,760,275.96

Finding the Fourth Proportional to 40,094,990.46, 55,331,086.86 and 21,760,275.96

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Solution

The fourth proportional to 40,094,990.46, 55,331,086.86 and 21,760,275.96 is: 30,029,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,094,990.46 : 55,331,086.86 = 21,760,275.96 : x
  2. Step 2: Convert to fraction form
    40,094,990.46/55,331,086.86 = 21,760,275.96/x
  3. Step 3: Cross multiply
    40,094,990.46x = 55,331,086.86 × 21,760,275.96
  4. Step 4: Simplify right side
    40,094,990.46x = 1,204,019,719,240,330
  5. Step 5: Solve for x
    x = 1,204,019,719,240,330/40,094,990.46
  6. Step 6: Final answer
    x = 30,029,180.84

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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.