Home / 31,886,444.80-47,829,667.20-8,857,334.80

Finding the Fourth Proportional to 31,886,444.80, 47,829,667.20 and 8,857,334.80

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Solution

The fourth proportional to 31,886,444.80, 47,829,667.20 and 8,857,334.80 is: 13,286,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,886,444.80 : 47,829,667.20 = 8,857,334.80 : x
  2. Step 2: Convert to fraction form
    31,886,444.80/47,829,667.20 = 8,857,334.80/x
  3. Step 3: Cross multiply
    31,886,444.80x = 47,829,667.20 × 8,857,334.80
  4. Step 4: Simplify right side
    31,886,444.80x = 423,643,375,762,978.62
  5. Step 5: Solve for x
    x = 423,643,375,762,978.62/31,886,444.80
  6. Step 6: Final answer
    x = 13,286,002.20

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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.