Home / 40,098,732.22-55,336,291.41-21,764,021.50

Finding the Fourth Proportional to 40,098,732.22, 55,336,291.41 and 21,764,021.50

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Solution

The fourth proportional to 40,098,732.22, 55,336,291.41 and 21,764,021.50 is: 30,034,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,732.22 : 55,336,291.41 = 21,764,021.50 : x
  2. Step 2: Convert to fraction form
    40,098,732.22/55,336,291.41 = 21,764,021.50/x
  3. Step 3: Cross multiply
    40,098,732.22x = 55,336,291.41 × 21,764,021.50
  4. Step 4: Simplify right side
    40,098,732.22x = 1,204,340,235,920,779.50
  5. Step 5: Solve for x
    x = 1,204,340,235,920,779.50/40,098,732.22
  6. Step 6: Final answer
    x = 30,034,371.89

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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.