Home / 21,741,382.80-32,616,010.80-10,931,479.20

Finding the Fourth Proportional to 21,741,382.80, 32,616,010.80 and 10,931,479.20

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Solution

The fourth proportional to 21,741,382.80, 32,616,010.80 and 10,931,479.20 is: 16,399,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741,382.80 : 32,616,010.80 = 10,931,479.20 : x
  2. Step 2: Convert to fraction form
    21,741,382.80/32,616,010.80 = 10,931,479.20/x
  3. Step 3: Cross multiply
    21,741,382.80x = 32,616,010.80 × 10,931,479.20
  4. Step 4: Simplify right side
    21,741,382.80x = 356,541,243,647,175.38
  5. Step 5: Solve for x
    x = 356,541,243,647,175.38/21,741,382.80
  6. Step 6: Final answer
    x = 16,399,198.11

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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.