Home / 12,005,546.88-18,011,672.46-4,822,125.42

Finding the Fourth Proportional to 12,005,546.88, 18,011,672.46 and 4,822,125.42

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Solution

The fourth proportional to 12,005,546.88, 18,011,672.46 and 4,822,125.42 is: 7,234,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,546.88 : 18,011,672.46 = 4,822,125.42 : x
  2. Step 2: Convert to fraction form
    12,005,546.88/18,011,672.46 = 4,822,125.42/x
  3. Step 3: Cross multiply
    12,005,546.88x = 18,011,672.46 × 4,822,125.42
  4. Step 4: Simplify right side
    12,005,546.88x = 86,854,543,626,079.94
  5. Step 5: Solve for x
    x = 86,854,543,626,079.94/12,005,546.88
  6. Step 6: Final answer
    x = 7,234,534.54

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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.