Home / 47,425,709.28-65,422,233.18-28,846,531.92

Finding the Fourth Proportional to 47,425,709.28, 65,422,233.18 and 28,846,531.92

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Solution

The fourth proportional to 47,425,709.28, 65,422,233.18 and 28,846,531.92 is: 39,792,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425,709.28 : 65,422,233.18 = 28,846,531.92 : x
  2. Step 2: Convert to fraction form
    47,425,709.28/65,422,233.18 = 28,846,531.92/x
  3. Step 3: Cross multiply
    47,425,709.28x = 65,422,233.18 × 28,846,531.92
  4. Step 4: Simplify right side
    47,425,709.28x = 1,887,204,537,704,553.25
  5. Step 5: Solve for x
    x = 1,887,204,537,704,553.25/47,425,709.28
  6. Step 6: Final answer
    x = 39,792,858.48

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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.