Home / 15,613,175.10-21,545,718.89-8,644,163.25

Finding the Fourth Proportional to 15,613,175.10, 21,545,718.89 and 8,644,163.25

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Solution

The fourth proportional to 15,613,175.10, 21,545,718.89 and 8,644,163.25 is: 11,928,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,175.10 : 21,545,718.89 = 8,644,163.25 : x
  2. Step 2: Convert to fraction form
    15,613,175.10/21,545,718.89 = 8,644,163.25/x
  3. Step 3: Cross multiply
    15,613,175.10x = 21,545,718.89 × 8,644,163.25
  4. Step 4: Simplify right side
    15,613,175.10x = 186,244,711,380,548
  5. Step 5: Solve for x
    x = 186,244,711,380,548/15,613,175.10
  6. Step 6: Final answer
    x = 11,928,689.08

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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.