Home / 38,248,471.44-52,784,761.95-21,508,479.41

Finding the Fourth Proportional to 38,248,471.44, 52,784,761.95 and 21,508,479.41

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Solution

The fourth proportional to 38,248,471.44, 52,784,761.95 and 21,508,479.41 is: 29,682,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248,471.44 : 52,784,761.95 = 21,508,479.41 : x
  2. Step 2: Convert to fraction form
    38,248,471.44/52,784,761.95 = 21,508,479.41/x
  3. Step 3: Cross multiply
    38,248,471.44x = 52,784,761.95 × 21,508,479.41
  4. Step 4: Simplify right side
    38,248,471.44x = 1,135,319,965,299,402.75
  5. Step 5: Solve for x
    x = 1,135,319,965,299,402.75/38,248,471.44
  6. Step 6: Final answer
    x = 29,682,753.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.