Home / 31,948,346.60-47,873,755.38-18,968,938.16

Finding the Fourth Proportional to 31,948,346.60, 47,873,755.38 and 18,968,938.16

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Solution

The fourth proportional to 31,948,346.60, 47,873,755.38 and 18,968,938.16 is: 28,424,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948,346.60 : 47,873,755.38 = 18,968,938.16 : x
  2. Step 2: Convert to fraction form
    31,948,346.60/47,873,755.38 = 18,968,938.16/x
  3. Step 3: Cross multiply
    31,948,346.60x = 47,873,755.38 × 18,968,938.16
  4. Step 4: Simplify right side
    31,948,346.60x = 908,114,305,290,187.38
  5. Step 5: Solve for x
    x = 908,114,305,290,187.38/31,948,346.60
  6. Step 6: Final answer
    x = 28,424,453.91

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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.