Home / 11,989,855.40-17,984,947.17-3,902,865.26

Finding the Fourth Proportional to 11,989,855.40, 17,984,947.17 and 3,902,865.26

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Solution

The fourth proportional to 11,989,855.40, 17,984,947.17 and 3,902,865.26 is: 5,854,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,855.40 : 17,984,947.17 = 3,902,865.26 : x
  2. Step 2: Convert to fraction form
    11,989,855.40/17,984,947.17 = 3,902,865.26/x
  3. Step 3: Cross multiply
    11,989,855.40x = 17,984,947.17 × 3,902,865.26
  4. Step 4: Simplify right side
    11,989,855.40x = 70,192,825,512,728.32
  5. Step 5: Solve for x
    x = 70,192,825,512,728.32/11,989,855.40
  6. Step 6: Final answer
    x = 5,854,351.30

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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.