Home / 25,981,707.20-38,939,383.20-19,968,267.20

Finding the Fourth Proportional to 25,981,707.20, 38,939,383.20 and 19,968,267.20

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Solution

The fourth proportional to 25,981,707.20, 38,939,383.20 and 19,968,267.20 is: 29,926,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981,707.20 : 38,939,383.20 = 19,968,267.20 : x
  2. Step 2: Convert to fraction form
    25,981,707.20/38,939,383.20 = 19,968,267.20/x
  3. Step 3: Cross multiply
    25,981,707.20x = 38,939,383.20 × 19,968,267.20
  4. Step 4: Simplify right side
    25,981,707.20x = 777,552,008,340,791.12
  5. Step 5: Solve for x
    x = 777,552,008,340,791.12/25,981,707.20
  6. Step 6: Final answer
    x = 29,926,902.12

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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.