Home / 38,162,396.80-57,309,950.40-20,246,492.80

Finding the Fourth Proportional to 38,162,396.80, 57,309,950.40 and 20,246,492.80

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Solution

The fourth proportional to 38,162,396.80, 57,309,950.40 and 20,246,492.80 is: 30,404,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162,396.80 : 57,309,950.40 = 20,246,492.80 : x
  2. Step 2: Convert to fraction form
    38,162,396.80/57,309,950.40 = 20,246,492.80/x
  3. Step 3: Cross multiply
    38,162,396.80x = 57,309,950.40 × 20,246,492.80
  4. Step 4: Simplify right side
    38,162,396.80x = 1,160,325,498,141,957.25
  5. Step 5: Solve for x
    x = 1,160,325,498,141,957.25/38,162,396.80
  6. Step 6: Final answer
    x = 30,404,942.97

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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.