Home / 13,755,324.20-20,632,986.30-11,865,756.20

Finding the Fourth Proportional to 13,755,324.20, 20,632,986.30 and 11,865,756.20

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Solution

The fourth proportional to 13,755,324.20, 20,632,986.30 and 11,865,756.20 is: 17,798,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,324.20 : 20,632,986.30 = 11,865,756.20 : x
  2. Step 2: Convert to fraction form
    13,755,324.20/20,632,986.30 = 11,865,756.20/x
  3. Step 3: Cross multiply
    13,755,324.20x = 20,632,986.30 × 11,865,756.20
  4. Step 4: Simplify right side
    13,755,324.20x = 244,825,985,113,740.06
  5. Step 5: Solve for x
    x = 244,825,985,113,740.06/13,755,324.20
  6. Step 6: Final answer
    x = 17,798,634.30

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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.