Home / 12,032,839.24-18,040,282.26-7,239,405.40

Finding the Fourth Proportional to 12,032,839.24, 18,040,282.26 and 7,239,405.40

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Solution

The fourth proportional to 12,032,839.24, 18,040,282.26 and 7,239,405.40 is: 10,853,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032,839.24 : 18,040,282.26 = 7,239,405.40 : x
  2. Step 2: Convert to fraction form
    12,032,839.24/18,040,282.26 = 7,239,405.40/x
  3. Step 3: Cross multiply
    12,032,839.24x = 18,040,282.26 × 7,239,405.40
  4. Step 4: Simplify right side
    12,032,839.24x = 130,600,916,810,568.22
  5. Step 5: Solve for x
    x = 130,600,916,810,568.22/12,032,839.24
  6. Step 6: Final answer
    x = 10,853,707.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.