Home / 31,289,705.12-43,181,788.56-17,538,672.80

Finding the Fourth Proportional to 31,289,705.12, 43,181,788.56 and 17,538,672.80

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Solution

The fourth proportional to 31,289,705.12, 43,181,788.56 and 17,538,672.80 is: 24,204,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289,705.12 : 43,181,788.56 = 17,538,672.80 : x
  2. Step 2: Convert to fraction form
    31,289,705.12/43,181,788.56 = 17,538,672.80/x
  3. Step 3: Cross multiply
    31,289,705.12x = 43,181,788.56 × 17,538,672.80
  4. Step 4: Simplify right side
    31,289,705.12x = 757,351,260,472,623.25
  5. Step 5: Solve for x
    x = 757,351,260,472,623.25/31,289,705.12
  6. Step 6: Final answer
    x = 24,204,486.99

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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.