Home / 38,616,069.60-57,924,104.40-20,413,231.20

Finding the Fourth Proportional to 38,616,069.60, 57,924,104.40 and 20,413,231.20

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Solution

The fourth proportional to 38,616,069.60, 57,924,104.40 and 20,413,231.20 is: 30,619,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,616,069.60 : 57,924,104.40 = 20,413,231.20 : x
  2. Step 2: Convert to fraction form
    38,616,069.60/57,924,104.40 = 20,413,231.20/x
  3. Step 3: Cross multiply
    38,616,069.60x = 57,924,104.40 × 20,413,231.20
  4. Step 4: Simplify right side
    38,616,069.60x = 1,182,418,135,170,137.25
  5. Step 5: Solve for x
    x = 1,182,418,135,170,137.25/38,616,069.60
  6. Step 6: Final answer
    x = 30,619,846.80

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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.