Home / 20,229,862.80-30,344,794.20-7,447,722.60

Finding the Fourth Proportional to 20,229,862.80, 30,344,794.20 and 7,447,722.60

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Solution

The fourth proportional to 20,229,862.80, 30,344,794.20 and 7,447,722.60 is: 11,171,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,862.80 : 30,344,794.20 = 7,447,722.60 : x
  2. Step 2: Convert to fraction form
    20,229,862.80/30,344,794.20 = 7,447,722.60/x
  3. Step 3: Cross multiply
    20,229,862.80x = 30,344,794.20 × 7,447,722.60
  4. Step 4: Simplify right side
    20,229,862.80x = 225,999,609,555,688.91
  5. Step 5: Solve for x
    x = 225,999,609,555,688.91/20,229,862.80
  6. Step 6: Final answer
    x = 11,171,583.90

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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.