Home / 13,146,431.14-18,143,013.77-7,265,938.82

Finding the Fourth Proportional to 13,146,431.14, 18,143,013.77 and 7,265,938.82

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Solution

The fourth proportional to 13,146,431.14, 18,143,013.77 and 7,265,938.82 is: 10,027,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,431.14 : 18,143,013.77 = 7,265,938.82 : x
  2. Step 2: Convert to fraction form
    13,146,431.14/18,143,013.77 = 7,265,938.82/x
  3. Step 3: Cross multiply
    13,146,431.14x = 18,143,013.77 × 7,265,938.82
  4. Step 4: Simplify right side
    13,146,431.14x = 131,826,027,990,687.34
  5. Step 5: Solve for x
    x = 131,826,027,990,687.34/13,146,431.14
  6. Step 6: Final answer
    x = 10,027,514.43

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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.