Home / 14,399,728-21,588,930.24-8,718,616.96

Finding the Fourth Proportional to 14,399,728, 21,588,930.24 and 8,718,616.96

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Solution

The fourth proportional to 14,399,728, 21,588,930.24 and 8,718,616.96 is: 13,071,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399,728 : 21,588,930.24 = 8,718,616.96 : x
  2. Step 2: Convert to fraction form
    14,399,728/21,588,930.24 = 8,718,616.96/x
  3. Step 3: Cross multiply
    14,399,728x = 21,588,930.24 × 8,718,616.96
  4. Step 4: Simplify right side
    14,399,728x = 188,225,613,338,720.88
  5. Step 5: Solve for x
    x = 188,225,613,338,720.88/14,399,728
  6. Step 6: Final answer
    x = 13,071,470.05

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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.