Home / 10,364,077.80-15,546,116.70-7,972,593.30

Finding the Fourth Proportional to 10,364,077.80, 15,546,116.70 and 7,972,593.30

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Solution

The fourth proportional to 10,364,077.80, 15,546,116.70 and 7,972,593.30 is: 11,958,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364,077.80 : 15,546,116.70 = 7,972,593.30 : x
  2. Step 2: Convert to fraction form
    10,364,077.80/15,546,116.70 = 7,972,593.30/x
  3. Step 3: Cross multiply
    10,364,077.80x = 15,546,116.70 × 7,972,593.30
  4. Step 4: Simplify right side
    10,364,077.80x = 123,942,865,843,438.09
  5. Step 5: Solve for x
    x = 123,942,865,843,438.09/10,364,077.80
  6. Step 6: Final answer
    x = 11,958,889.95

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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.