Home / 12,008,597.68-18,014,003.87-3,921,615.70

Finding the Fourth Proportional to 12,008,597.68, 18,014,003.87 and 3,921,615.70

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Solution

The fourth proportional to 12,008,597.68, 18,014,003.87 and 3,921,615.70 is: 5,882,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,597.68 : 18,014,003.87 = 3,921,615.70 : x
  2. Step 2: Convert to fraction form
    12,008,597.68/18,014,003.87 = 3,921,615.70/x
  3. Step 3: Cross multiply
    12,008,597.68x = 18,014,003.87 × 3,921,615.70
  4. Step 4: Simplify right side
    12,008,597.68x = 70,644,000,396,452.77
  5. Step 5: Solve for x
    x = 70,644,000,396,452.77/12,008,597.68
  6. Step 6: Final answer
    x = 5,882,785.17

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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.