Home / 31,592,157-47,390,008.17-8,871,282.78

Finding the Fourth Proportional to 31,592,157, 47,390,008.17 and 8,871,282.78

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Solution

The fourth proportional to 31,592,157, 47,390,008.17 and 8,871,282.78 is: 13,307,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592,157 : 47,390,008.17 = 8,871,282.78 : x
  2. Step 2: Convert to fraction form
    31,592,157/47,390,008.17 = 8,871,282.78/x
  3. Step 3: Cross multiply
    31,592,157x = 47,390,008.17 × 8,871,282.78
  4. Step 4: Simplify right side
    31,592,157x = 420,410,163,422,580.31
  5. Step 5: Solve for x
    x = 420,410,163,422,580.31/31,592,157
  6. Step 6: Final answer
    x = 13,307,421.95

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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.