Home / 27,945,788.70-38,565,179.82-15,555,612.90

Finding the Fourth Proportional to 27,945,788.70, 38,565,179.82 and 15,555,612.90

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Solution

The fourth proportional to 27,945,788.70, 38,565,179.82 and 15,555,612.90 is: 21,466,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945,788.70 : 38,565,179.82 = 15,555,612.90 : x
  2. Step 2: Convert to fraction form
    27,945,788.70/38,565,179.82 = 15,555,612.90/x
  3. Step 3: Cross multiply
    27,945,788.70x = 38,565,179.82 × 15,555,612.90
  4. Step 4: Simplify right side
    27,945,788.70x = 599,905,008,698,811.75
  5. Step 5: Solve for x
    x = 599,905,008,698,811.75/27,945,788.70
  6. Step 6: Final answer
    x = 21,466,741.02

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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.