Home / 31,720,303.20-47,527,310.70-27,149,910.60

Finding the Fourth Proportional to 31,720,303.20, 47,527,310.70 and 27,149,910.60

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Solution

The fourth proportional to 31,720,303.20, 47,527,310.70 and 27,149,910.60 is: 40,679,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720,303.20 : 47,527,310.70 = 27,149,910.60 : x
  2. Step 2: Convert to fraction form
    31,720,303.20/47,527,310.70 = 27,149,910.60/x
  3. Step 3: Cross multiply
    31,720,303.20x = 47,527,310.70 × 27,149,910.60
  4. Step 4: Simplify right side
    31,720,303.20x = 1,290,362,236,563,423.50
  5. Step 5: Solve for x
    x = 1,290,362,236,563,423.50/31,720,303.20
  6. Step 6: Final answer
    x = 40,679,379.02

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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.