Home / 20,927,441.25-31,391,293.10-5,781,503.97

Finding the Fourth Proportional to 20,927,441.25, 31,391,293.10 and 5,781,503.97

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Solution

The fourth proportional to 20,927,441.25, 31,391,293.10 and 5,781,503.97 is: 8,672,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927,441.25 : 31,391,293.10 = 5,781,503.97 : x
  2. Step 2: Convert to fraction form
    20,927,441.25/31,391,293.10 = 5,781,503.97/x
  3. Step 3: Cross multiply
    20,927,441.25x = 31,391,293.10 × 5,781,503.97
  4. Step 4: Simplify right side
    20,927,441.25x = 181,488,885,652,176.06
  5. Step 5: Solve for x
    x = 181,488,885,652,176.06/20,927,441.25
  6. Step 6: Final answer
    x = 8,672,292.21

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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.