Home / 31,121,321.85-46,650,489.98-18,335,245.05

Finding the Fourth Proportional to 31,121,321.85, 46,650,489.98 and 18,335,245.05

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Solution

The fourth proportional to 31,121,321.85, 46,650,489.98 and 18,335,245.05 is: 27,484,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121,321.85 : 46,650,489.98 = 18,335,245.05 : x
  2. Step 2: Convert to fraction form
    31,121,321.85/46,650,489.98 = 18,335,245.05/x
  3. Step 3: Cross multiply
    31,121,321.85x = 46,650,489.98 × 18,335,245.05
  4. Step 4: Simplify right side
    31,121,321.85x = 855,348,165,394,193.38
  5. Step 5: Solve for x
    x = 855,348,165,394,193.38/31,121,321.85
  6. Step 6: Final answer
    x = 27,484,313.47

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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.