Home / 31,592,163.52-47,390,017.92-8,871,289.28

Finding the Fourth Proportional to 31,592,163.52, 47,390,017.92 and 8,871,289.28

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Solution

The fourth proportional to 31,592,163.52, 47,390,017.92 and 8,871,289.28 is: 13,307,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592,163.52 : 47,390,017.92 = 8,871,289.28 : x
  2. Step 2: Convert to fraction form
    31,592,163.52/47,390,017.92 = 8,871,289.28/x
  3. Step 3: Cross multiply
    31,592,163.52x = 47,390,017.92 × 8,871,289.28
  4. Step 4: Simplify right side
    31,592,163.52x = 420,410,557,952,703.88
  5. Step 5: Solve for x
    x = 420,410,557,952,703.88/31,592,163.52
  6. Step 6: Final answer
    x = 13,307,431.69

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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.