Home / 13,755,328.20-20,632,992.30-11,865,760.20

Finding the Fourth Proportional to 13,755,328.20, 20,632,992.30 and 11,865,760.20

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Solution

The fourth proportional to 13,755,328.20, 20,632,992.30 and 11,865,760.20 is: 17,798,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,328.20 : 20,632,992.30 = 11,865,760.20 : x
  2. Step 2: Convert to fraction form
    13,755,328.20/20,632,992.30 = 11,865,760.20/x
  3. Step 3: Cross multiply
    13,755,328.20x = 20,632,992.30 × 11,865,760.20
  4. Step 4: Simplify right side
    13,755,328.20x = 244,826,138,840,246.47
  5. Step 5: Solve for x
    x = 244,826,138,840,246.47/13,755,328.20
  6. Step 6: Final answer
    x = 17,798,640.30

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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.