Home / 20,508,319.64-30,753,010.92-7,551,216.20

Finding the Fourth Proportional to 20,508,319.64, 30,753,010.92 and 7,551,216.20

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Solution

The fourth proportional to 20,508,319.64, 30,753,010.92 and 7,551,216.20 is: 11,323,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508,319.64 : 30,753,010.92 = 7,551,216.20 : x
  2. Step 2: Convert to fraction form
    20,508,319.64/30,753,010.92 = 7,551,216.20/x
  3. Step 3: Cross multiply
    20,508,319.64x = 30,753,010.92 × 7,551,216.20
  4. Step 4: Simplify right side
    20,508,319.64x = 232,222,634,257,880.94
  5. Step 5: Solve for x
    x = 232,222,634,257,880.94/20,508,319.64
  6. Step 6: Final answer
    x = 11,323,337.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.