Home / 7,135,040.12-9,846,382.11-3,871,855.52

Finding the Fourth Proportional to 7,135,040.12, 9,846,382.11 and 3,871,855.52

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Solution

The fourth proportional to 7,135,040.12, 9,846,382.11 and 3,871,855.52 is: 5,343,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,040.12 : 9,846,382.11 = 3,871,855.52 : x
  2. Step 2: Convert to fraction form
    7,135,040.12/9,846,382.11 = 3,871,855.52/x
  3. Step 3: Cross multiply
    7,135,040.12x = 9,846,382.11 × 3,871,855.52
  4. Step 4: Simplify right side
    7,135,040.12x = 38,123,768,897,805.30
  5. Step 5: Solve for x
    x = 38,123,768,897,805.30/7,135,040.12
  6. Step 6: Final answer
    x = 5,343,175.13

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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.