Home / 20,207,911.68-30,313,908.72-6,560,487.36

Finding the Fourth Proportional to 20,207,911.68, 30,313,908.72 and 6,560,487.36

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Solution

The fourth proportional to 20,207,911.68, 30,313,908.72 and 6,560,487.36 is: 9,841,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,911.68 : 30,313,908.72 = 6,560,487.36 : x
  2. Step 2: Convert to fraction form
    20,207,911.68/30,313,908.72 = 6,560,487.36/x
  3. Step 3: Cross multiply
    20,207,911.68x = 30,313,908.72 × 6,560,487.36
  4. Step 4: Simplify right side
    20,207,911.68x = 198,874,014,989,753.78
  5. Step 5: Solve for x
    x = 198,874,014,989,753.78/20,207,911.68
  6. Step 6: Final answer
    x = 9,841,393.71

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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.