Home / 28,023,816.92-41,979,450.78-13,959,687.89

Finding the Fourth Proportional to 28,023,816.92, 41,979,450.78 and 13,959,687.89

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Solution

The fourth proportional to 28,023,816.92, 41,979,450.78 and 13,959,687.89 is: 20,911,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,816.92 : 41,979,450.78 = 13,959,687.89 : x
  2. Step 2: Convert to fraction form
    28,023,816.92/41,979,450.78 = 13,959,687.89/x
  3. Step 3: Cross multiply
    28,023,816.92x = 41,979,450.78 × 13,959,687.89
  4. Step 4: Simplify right side
    28,023,816.92x = 586,020,030,472,519.75
  5. Step 5: Solve for x
    x = 586,020,030,472,519.75/28,023,816.92
  6. Step 6: Final answer
    x = 20,911,499.40

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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.