Home / 27,932,167.79-38,546,391.57-15,543,059.29

Finding the Fourth Proportional to 27,932,167.79, 38,546,391.57 and 15,543,059.29

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Solution

The fourth proportional to 27,932,167.79, 38,546,391.57 and 15,543,059.29 is: 21,449,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932,167.79 : 38,546,391.57 = 15,543,059.29 : x
  2. Step 2: Convert to fraction form
    27,932,167.79/38,546,391.57 = 15,543,059.29/x
  3. Step 3: Cross multiply
    27,932,167.79x = 38,546,391.57 × 15,543,059.29
  4. Step 4: Simplify right side
    27,932,167.79x = 599,128,849,433,413.62
  5. Step 5: Solve for x
    x = 599,128,849,433,413.62/27,932,167.79
  6. Step 6: Final answer
    x = 21,449,421.83

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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.