Home / 22,915,913.50-31,707,235.26-19,981,848.85

Finding the Fourth Proportional to 22,915,913.50, 31,707,235.26 and 19,981,848.85

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Solution

The fourth proportional to 22,915,913.50, 31,707,235.26 and 19,981,848.85 is: 27,647,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915,913.50 : 31,707,235.26 = 19,981,848.85 : x
  2. Step 2: Convert to fraction form
    22,915,913.50/31,707,235.26 = 19,981,848.85/x
  3. Step 3: Cross multiply
    22,915,913.50x = 31,707,235.26 × 19,981,848.85
  4. Step 4: Simplify right side
    22,915,913.50x = 633,569,182,158,265
  5. Step 5: Solve for x
    x = 633,569,182,158,265/22,915,913.50
  6. Step 6: Final answer
    x = 27,647,563.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.