Home / 20,120,794.30-30,178,858.65-5,746,080.70

Finding the Fourth Proportional to 20,120,794.30, 30,178,858.65 and 5,746,080.70

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Solution

The fourth proportional to 20,120,794.30, 30,178,858.65 and 5,746,080.70 is: 8,618,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,120,794.30 : 30,178,858.65 = 5,746,080.70 : x
  2. Step 2: Convert to fraction form
    20,120,794.30/30,178,858.65 = 5,746,080.70/x
  3. Step 3: Cross multiply
    20,120,794.30x = 30,178,858.65 × 5,746,080.70
  4. Step 4: Simplify right side
    20,120,794.30x = 173,410,157,236,793.06
  5. Step 5: Solve for x
    x = 173,410,157,236,793.06/20,120,794.30
  6. Step 6: Final answer
    x = 8,618,454.85

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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.