Home / 20,512,292.22-28,307,048.55-11,093,083.20

Finding the Fourth Proportional to 20,512,292.22, 28,307,048.55 and 11,093,083.20

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Solution

The fourth proportional to 20,512,292.22, 28,307,048.55 and 11,093,083.20 is: 15,308,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512,292.22 : 28,307,048.55 = 11,093,083.20 : x
  2. Step 2: Convert to fraction form
    20,512,292.22/28,307,048.55 = 11,093,083.20/x
  3. Step 3: Cross multiply
    20,512,292.22x = 28,307,048.55 × 11,093,083.20
  4. Step 4: Simplify right side
    20,512,292.22x = 314,012,444,711,589.38
  5. Step 5: Solve for x
    x = 314,012,444,711,589.38/20,512,292.22
  6. Step 6: Final answer
    x = 15,308,500.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.