Home / 15,613,173.60-21,545,716.82-8,644,161.75

Finding the Fourth Proportional to 15,613,173.60, 21,545,716.82 and 8,644,161.75

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Solution

The fourth proportional to 15,613,173.60, 21,545,716.82 and 8,644,161.75 is: 11,928,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,173.60 : 21,545,716.82 = 8,644,161.75 : x
  2. Step 2: Convert to fraction form
    15,613,173.60/21,545,716.82 = 8,644,161.75/x
  3. Step 3: Cross multiply
    15,613,173.60x = 21,545,716.82 × 8,644,161.75
  4. Step 4: Simplify right side
    15,613,173.60x = 186,244,661,168,554.84
  5. Step 5: Solve for x
    x = 186,244,661,168,554.84/15,613,173.60
  6. Step 6: Final answer
    x = 11,928,687.01

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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.