Home / 27,218,986.20-40,847,141.70-12,083,779.80

Finding the Fourth Proportional to 27,218,986.20, 40,847,141.70 and 12,083,779.80

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Solution

The fourth proportional to 27,218,986.20, 40,847,141.70 and 12,083,779.80 is: 18,133,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,986.20 : 40,847,141.70 = 12,083,779.80 : x
  2. Step 2: Convert to fraction form
    27,218,986.20/40,847,141.70 = 12,083,779.80/x
  3. Step 3: Cross multiply
    27,218,986.20x = 40,847,141.70 × 12,083,779.80
  4. Step 4: Simplify right side
    27,218,986.20x = 493,587,865,762,197.75
  5. Step 5: Solve for x
    x = 493,587,865,762,197.75/27,218,986.20
  6. Step 6: Final answer
    x = 18,133,954.81

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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.