Home / 15,040,359.96-20,755,949.22-8,164,842

Finding the Fourth Proportional to 15,040,359.96, 20,755,949.22 and 8,164,842

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Solution

The fourth proportional to 15,040,359.96, 20,755,949.22 and 8,164,842 is: 11,267,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,359.96 : 20,755,949.22 = 8,164,842 : x
  2. Step 2: Convert to fraction form
    15,040,359.96/20,755,949.22 = 8,164,842/x
  3. Step 3: Cross multiply
    15,040,359.96x = 20,755,949.22 × 8,164,842
  4. Step 4: Simplify right side
    15,040,359.96x = 169,469,045,941,323.22
  5. Step 5: Solve for x
    x = 169,469,045,941,323.22/15,040,359.96
  6. Step 6: Final answer
    x = 11,267,619.02

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1.5x scale

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.