Home / 13,565,528.20-20,348,292.30-11,738,945.80

Finding the Fourth Proportional to 13,565,528.20, 20,348,292.30 and 11,738,945.80

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Solution

The fourth proportional to 13,565,528.20, 20,348,292.30 and 11,738,945.80 is: 17,608,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,528.20 : 20,348,292.30 = 11,738,945.80 : x
  2. Step 2: Convert to fraction form
    13,565,528.20/20,348,292.30 = 11,738,945.80/x
  3. Step 3: Cross multiply
    13,565,528.20x = 20,348,292.30 × 11,738,945.80
  4. Step 4: Simplify right side
    13,565,528.20x = 238,867,500,432,257.38
  5. Step 5: Solve for x
    x = 238,867,500,432,257.38/13,565,528.20
  6. Step 6: Final answer
    x = 17,608,418.70

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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.