Home / 14,246,151.72-21,266,072.71-12,522,363.78

Finding the Fourth Proportional to 14,246,151.72, 21,266,072.71 and 12,522,363.78

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Solution

The fourth proportional to 14,246,151.72, 21,266,072.71 and 12,522,363.78 is: 18,692,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246,151.72 : 21,266,072.71 = 12,522,363.78 : x
  2. Step 2: Convert to fraction form
    14,246,151.72/21,266,072.71 = 12,522,363.78/x
  3. Step 3: Cross multiply
    14,246,151.72x = 21,266,072.71 × 12,522,363.78
  4. Step 4: Simplify right side
    14,246,151.72x = 266,301,498,694,992.28
  5. Step 5: Solve for x
    x = 266,301,498,694,992.28/14,246,151.72
  6. Step 6: Final answer
    x = 18,692,872.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.