Home / 18,120,939.42-25,001,266.71-10,279,159.26

Finding the Fourth Proportional to 18,120,939.42, 25,001,266.71 and 10,279,159.26

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Solution

The fourth proportional to 18,120,939.42, 25,001,266.71 and 10,279,159.26 is: 14,182,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,939.42 : 25,001,266.71 = 10,279,159.26 : x
  2. Step 2: Convert to fraction form
    18,120,939.42/25,001,266.71 = 10,279,159.26/x
  3. Step 3: Cross multiply
    18,120,939.42x = 25,001,266.71 × 10,279,159.26
  4. Step 4: Simplify right side
    18,120,939.42x = 256,992,002,213,826.25
  5. Step 5: Solve for x
    x = 256,992,002,213,826.25/18,120,939.42
  6. Step 6: Final answer
    x = 14,182,046.32

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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.