Home / 15,040,362.46-20,755,952.67-8,164,844.50

Finding the Fourth Proportional to 15,040,362.46, 20,755,952.67 and 8,164,844.50

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Solution

The fourth proportional to 15,040,362.46, 20,755,952.67 and 8,164,844.50 is: 11,267,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,362.46 : 20,755,952.67 = 8,164,844.50 : x
  2. Step 2: Convert to fraction form
    15,040,362.46/20,755,952.67 = 8,164,844.50/x
  3. Step 3: Cross multiply
    15,040,362.46x = 20,755,952.67 × 8,164,844.50
  4. Step 4: Simplify right side
    15,040,362.46x = 169,469,125,999,909.84
  5. Step 5: Solve for x
    x = 169,469,125,999,909.84/15,040,362.46
  6. Step 6: Final answer
    x = 11,267,622.47

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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.