Home / 13,565,295.20-20,347,942.80-12,289,836.80

Finding the Fourth Proportional to 13,565,295.20, 20,347,942.80 and 12,289,836.80

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Solution

The fourth proportional to 13,565,295.20, 20,347,942.80 and 12,289,836.80 is: 18,434,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,295.20 : 20,347,942.80 = 12,289,836.80 : x
  2. Step 2: Convert to fraction form
    13,565,295.20/20,347,942.80 = 12,289,836.80/x
  3. Step 3: Cross multiply
    13,565,295.20x = 20,347,942.80 × 12,289,836.80
  4. Step 4: Simplify right side
    13,565,295.20x = 250,072,896,227,735.06
  5. Step 5: Solve for x
    x = 250,072,896,227,735.06/13,565,295.20
  6. Step 6: Final answer
    x = 18,434,755.20

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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.