Home / 39,770,312.54-54,876,616.64-22,365,619.78

Finding the Fourth Proportional to 39,770,312.54, 54,876,616.64 and 22,365,619.78

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Solution

The fourth proportional to 39,770,312.54, 54,876,616.64 and 22,365,619.78 is: 30,860,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770,312.54 : 54,876,616.64 = 22,365,619.78 : x
  2. Step 2: Convert to fraction form
    39,770,312.54/54,876,616.64 = 22,365,619.78/x
  3. Step 3: Cross multiply
    39,770,312.54x = 54,876,616.64 × 22,365,619.78
  4. Step 4: Simplify right side
    39,770,312.54x = 1,227,349,542,583,061.25
  5. Step 5: Solve for x
    x = 1,227,349,542,583,061.25/39,770,312.54
  6. Step 6: Final answer
    x = 30,860,947.88

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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.