Home / 21,211,357.68-31,811,229.70-5,854,976.33

Finding the Fourth Proportional to 21,211,357.68, 31,811,229.70 and 5,854,976.33

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Solution

The fourth proportional to 21,211,357.68, 31,811,229.70 and 5,854,976.33 is: 8,780,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,211,357.68 : 31,811,229.70 = 5,854,976.33 : x
  2. Step 2: Convert to fraction form
    21,211,357.68/31,811,229.70 = 5,854,976.33/x
  3. Step 3: Cross multiply
    21,211,357.68x = 31,811,229.70 × 5,854,976.33
  4. Step 4: Simplify right side
    21,211,357.68x = 186,253,996,747,999.44
  5. Step 5: Solve for x
    x = 186,253,996,747,999.44/21,211,357.68
  6. Step 6: Final answer
    x = 8,780,861.63

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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.