Home / 20,560,881.09-30,841,083.85-4,998,797.82

Finding the Fourth Proportional to 20,560,881.09, 30,841,083.85 and 4,998,797.82

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Solution

The fourth proportional to 20,560,881.09, 30,841,083.85 and 4,998,797.82 is: 7,498,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560,881.09 : 30,841,083.85 = 4,998,797.82 : x
  2. Step 2: Convert to fraction form
    20,560,881.09/30,841,083.85 = 4,998,797.82/x
  3. Step 3: Cross multiply
    20,560,881.09x = 30,841,083.85 × 4,998,797.82
  4. Step 4: Simplify right side
    20,560,881.09x = 154,168,342,626,217.50
  5. Step 5: Solve for x
    x = 154,168,342,626,217.50/20,560,881.09
  6. Step 6: Final answer
    x = 7,498,138.92

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1.5x scale

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.