Home / 14,656,815.56-21,986,732.28-5,072,178.80

Finding the Fourth Proportional to 14,656,815.56, 21,986,732.28 and 5,072,178.80

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Solution

The fourth proportional to 14,656,815.56, 21,986,732.28 and 5,072,178.80 is: 7,608,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656,815.56 : 21,986,732.28 = 5,072,178.80 : x
  2. Step 2: Convert to fraction form
    14,656,815.56/21,986,732.28 = 5,072,178.80/x
  3. Step 3: Cross multiply
    14,656,815.56x = 21,986,732.28 × 5,072,178.80
  4. Step 4: Simplify right side
    14,656,815.56x = 111,520,637,351,891.67
  5. Step 5: Solve for x
    x = 111,520,637,351,891.67/14,656,815.56
  6. Step 6: Final answer
    x = 7,608,790.39

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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.