Home / 18,120,927.44-25,006,883.38-9,972,165.44

Finding the Fourth Proportional to 18,120,927.44, 25,006,883.38 and 9,972,165.44

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Solution

The fourth proportional to 18,120,927.44, 25,006,883.38 and 9,972,165.44 is: 13,761,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,927.44 : 25,006,883.38 = 9,972,165.44 : x
  2. Step 2: Convert to fraction form
    18,120,927.44/25,006,883.38 = 9,972,165.44/x
  3. Step 3: Cross multiply
    18,120,927.44x = 25,006,883.38 × 9,972,165.44
  4. Step 4: Simplify right side
    18,120,927.44x = 249,372,778,204,146.38
  5. Step 5: Solve for x
    x = 249,372,778,204,146.38/18,120,927.44
  6. Step 6: Final answer
    x = 13,761,590.24

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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.