Home / 18,120,893.94-25,006,837.19-9,972,131.94

Finding the Fourth Proportional to 18,120,893.94, 25,006,837.19 and 9,972,131.94

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Solution

The fourth proportional to 18,120,893.94, 25,006,837.19 and 9,972,131.94 is: 13,761,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,893.94 : 25,006,837.19 = 9,972,131.94 : x
  2. Step 2: Convert to fraction form
    18,120,893.94/25,006,837.19 = 9,972,131.94/x
  3. Step 3: Cross multiply
    18,120,893.94x = 25,006,837.19 × 9,972,131.94
  4. Step 4: Simplify right side
    18,120,893.94x = 249,371,479,810,918.16
  5. Step 5: Solve for x
    x = 249,371,479,810,918.16/18,120,893.94
  6. Step 6: Final answer
    x = 13,761,544.03

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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.