Home / 13,879,609.80-20,820,231.18-5,359,990.92

Finding the Fourth Proportional to 13,879,609.80, 20,820,231.18 and 5,359,990.92

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Solution

The fourth proportional to 13,879,609.80, 20,820,231.18 and 5,359,990.92 is: 8,040,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,609.80 : 20,820,231.18 = 5,359,990.92 : x
  2. Step 2: Convert to fraction form
    13,879,609.80/20,820,231.18 = 5,359,990.92/x
  3. Step 3: Cross multiply
    13,879,609.80x = 20,820,231.18 × 5,359,990.92
  4. Step 4: Simplify right side
    13,879,609.80x = 111,596,250,077,100.88
  5. Step 5: Solve for x
    x = 111,596,250,077,100.88/13,879,609.80
  6. Step 6: Final answer
    x = 8,040,301.69

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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.