Home / 40,098,732.42-55,336,291.70-21,764,021.70

Finding the Fourth Proportional to 40,098,732.42, 55,336,291.70 and 21,764,021.70

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Solution

The fourth proportional to 40,098,732.42, 55,336,291.70 and 21,764,021.70 is: 30,034,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,732.42 : 55,336,291.70 = 21,764,021.70 : x
  2. Step 2: Convert to fraction form
    40,098,732.42/55,336,291.70 = 21,764,021.70/x
  3. Step 3: Cross multiply
    40,098,732.42x = 55,336,291.70 × 21,764,021.70
  4. Step 4: Simplify right side
    40,098,732.42x = 1,204,340,253,247,509.75
  5. Step 5: Solve for x
    x = 1,204,340,253,247,509.75/40,098,732.42
  6. Step 6: Final answer
    x = 30,034,372.17

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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.