Home / 13,476,921.70-20,201,604.45-6,642,984.10

Finding the Fourth Proportional to 13,476,921.70, 20,201,604.45 and 6,642,984.10

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Solution

The fourth proportional to 13,476,921.70, 20,201,604.45 and 6,642,984.10 is: 9,957,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,921.70 : 20,201,604.45 = 6,642,984.10 : x
  2. Step 2: Convert to fraction form
    13,476,921.70/20,201,604.45 = 6,642,984.10/x
  3. Step 3: Cross multiply
    13,476,921.70x = 20,201,604.45 × 6,642,984.10
  4. Step 4: Simplify right side
    13,476,921.70x = 134,198,937,155,839.23
  5. Step 5: Solve for x
    x = 134,198,937,155,839.23/13,476,921.70
  6. Step 6: Final answer
    x = 9,957,684.71

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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.