Home / 13,565,302.20-20,347,953.30-12,289,843.80

Finding the Fourth Proportional to 13,565,302.20, 20,347,953.30 and 12,289,843.80

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Solution

The fourth proportional to 13,565,302.20, 20,347,953.30 and 12,289,843.80 is: 18,434,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,302.20 : 20,347,953.30 = 12,289,843.80 : x
  2. Step 2: Convert to fraction form
    13,565,302.20/20,347,953.30 = 12,289,843.80/x
  3. Step 3: Cross multiply
    13,565,302.20x = 20,347,953.30 × 12,289,843.80
  4. Step 4: Simplify right side
    13,565,302.20x = 250,073,167,706,694.56
  5. Step 5: Solve for x
    x = 250,073,167,706,694.56/13,565,302.20
  6. Step 6: Final answer
    x = 18,434,765.70

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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.