Home / 12,507,015.11-17,270,452.51-7,868,531.61

Finding the Fourth Proportional to 12,507,015.11, 17,270,452.51 and 7,868,531.61

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Solution

The fourth proportional to 12,507,015.11, 17,270,452.51 and 7,868,531.61 is: 10,865,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,015.11 : 17,270,452.51 = 7,868,531.61 : x
  2. Step 2: Convert to fraction form
    12,507,015.11/17,270,452.51 = 7,868,531.61/x
  3. Step 3: Cross multiply
    12,507,015.11x = 17,270,452.51 × 7,868,531.61
  4. Step 4: Simplify right side
    12,507,015.11x = 135,893,101,474,267.52
  5. Step 5: Solve for x
    x = 135,893,101,474,267.52/12,507,015.11
  6. Step 6: Final answer
    x = 10,865,350.39

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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.