Home / 10,364,081.30-15,546,121.95-7,972,596.80

Finding the Fourth Proportional to 10,364,081.30, 15,546,121.95 and 7,972,596.80

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Solution

The fourth proportional to 10,364,081.30, 15,546,121.95 and 7,972,596.80 is: 11,958,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364,081.30 : 15,546,121.95 = 7,972,596.80 : x
  2. Step 2: Convert to fraction form
    10,364,081.30/15,546,121.95 = 7,972,596.80/x
  3. Step 3: Cross multiply
    10,364,081.30x = 15,546,121.95 × 7,972,596.80
  4. Step 4: Simplify right side
    10,364,081.30x = 123,942,962,110,979.75
  5. Step 5: Solve for x
    x = 123,942,962,110,979.75/10,364,081.30
  6. Step 6: Final answer
    x = 11,958,895.20

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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.