Home / 20,503,336.80-30,752,672.40-5,358,799.20

Finding the Fourth Proportional to 20,503,336.80, 30,752,672.40 and 5,358,799.20

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Solution

The fourth proportional to 20,503,336.80, 30,752,672.40 and 5,358,799.20 is: 8,037,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,336.80 : 30,752,672.40 = 5,358,799.20 : x
  2. Step 2: Convert to fraction form
    20,503,336.80/30,752,672.40 = 5,358,799.20/x
  3. Step 3: Cross multiply
    20,503,336.80x = 30,752,672.40 × 5,358,799.20
  4. Step 4: Simplify right side
    20,503,336.80x = 164,797,396,254,982.06
  5. Step 5: Solve for x
    x = 164,797,396,254,982.06/20,503,336.80
  6. Step 6: Final answer
    x = 8,037,589.09

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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.