Home / 13,913,078.62-20,871,049.47-4,815,160.26

Finding the Fourth Proportional to 13,913,078.62, 20,871,049.47 and 4,815,160.26

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Solution

The fourth proportional to 13,913,078.62, 20,871,049.47 and 4,815,160.26 is: 7,223,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,078.62 : 20,871,049.47 = 4,815,160.26 : x
  2. Step 2: Convert to fraction form
    13,913,078.62/20,871,049.47 = 4,815,160.26/x
  3. Step 3: Cross multiply
    13,913,078.62x = 20,871,049.47 × 4,815,160.26
  4. Step 4: Simplify right side
    13,913,078.62x = 100,497,447,992,438.05
  5. Step 5: Solve for x
    x = 100,497,447,992,438.05/13,913,078.62
  6. Step 6: Final answer
    x = 7,223,235.83

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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.