Home / 25,489,971.72-38,234,995.11-19,458,947.16

Finding the Fourth Proportional to 25,489,971.72, 38,234,995.11 and 19,458,947.16

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Solution

The fourth proportional to 25,489,971.72, 38,234,995.11 and 19,458,947.16 is: 29,188,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489,971.72 : 38,234,995.11 = 19,458,947.16 : x
  2. Step 2: Convert to fraction form
    25,489,971.72/38,234,995.11 = 19,458,947.16/x
  3. Step 3: Cross multiply
    25,489,971.72x = 38,234,995.11 × 19,458,947.16
  4. Step 4: Simplify right side
    25,489,971.72x = 744,012,749,508,348.38
  5. Step 5: Solve for x
    x = 744,012,749,508,348.38/25,489,971.72
  6. Step 6: Final answer
    x = 29,188,449.39

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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.