Home / 20,626,732.65-28,463,224.88-11,925,466.10

Finding the Fourth Proportional to 20,626,732.65, 28,463,224.88 and 11,925,466.10

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Solution

The fourth proportional to 20,626,732.65, 28,463,224.88 and 11,925,466.10 is: 16,456,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,732.65 : 28,463,224.88 = 11,925,466.10 : x
  2. Step 2: Convert to fraction form
    20,626,732.65/28,463,224.88 = 11,925,466.10/x
  3. Step 3: Cross multiply
    20,626,732.65x = 28,463,224.88 × 11,925,466.10
  4. Step 4: Simplify right side
    20,626,732.65x = 339,437,223,393,529.94
  5. Step 5: Solve for x
    x = 339,437,223,393,529.94/20,626,732.65
  6. Step 6: Final answer
    x = 16,456,179.91

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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.