Home / 18,336,982.72-25,305,186.08-11,465,448.16

Finding the Fourth Proportional to 18,336,982.72, 25,305,186.08 and 11,465,448.16

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Solution

The fourth proportional to 18,336,982.72, 25,305,186.08 and 11,465,448.16 is: 15,822,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,982.72 : 25,305,186.08 = 11,465,448.16 : x
  2. Step 2: Convert to fraction form
    18,336,982.72/25,305,186.08 = 11,465,448.16/x
  3. Step 3: Cross multiply
    18,336,982.72x = 25,305,186.08 × 11,465,448.16
  4. Step 4: Simplify right side
    18,336,982.72x = 290,135,299,179,393.62
  5. Step 5: Solve for x
    x = 290,135,299,179,393.62/18,336,982.72
  6. Step 6: Final answer
    x = 15,822,412.20

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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.