Home / 40,386,631.42-55,733,330.91-22,051,785.70

Finding the Fourth Proportional to 40,386,631.42, 55,733,330.91 and 22,051,785.70

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Solution

The fourth proportional to 40,386,631.42, 55,733,330.91 and 22,051,785.70 is: 30,431,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386,631.42 : 55,733,330.91 = 22,051,785.70 : x
  2. Step 2: Convert to fraction form
    40,386,631.42/55,733,330.91 = 22,051,785.70/x
  3. Step 3: Cross multiply
    40,386,631.42x = 55,733,330.91 × 22,051,785.70
  4. Step 4: Simplify right side
    40,386,631.42x = 1,229,019,469,574,505.75
  5. Step 5: Solve for x
    x = 1,229,019,469,574,505.75/40,386,631.42
  6. Step 6: Final answer
    x = 30,431,343.90

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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.