Home / 38,858,873.20-58,325,634.60-19,711,250.80

Finding the Fourth Proportional to 38,858,873.20, 58,325,634.60 and 19,711,250.80

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Solution

The fourth proportional to 38,858,873.20, 58,325,634.60 and 19,711,250.80 is: 29,585,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858,873.20 : 58,325,634.60 = 19,711,250.80 : x
  2. Step 2: Convert to fraction form
    38,858,873.20/58,325,634.60 = 19,711,250.80/x
  3. Step 3: Cross multiply
    38,858,873.20x = 58,325,634.60 × 19,711,250.80
  4. Step 4: Simplify right side
    38,858,873.20x = 1,149,671,211,669,757.75
  5. Step 5: Solve for x
    x = 1,149,671,211,669,757.75/38,858,873.20
  6. Step 6: Final answer
    x = 29,585,809.29

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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.