Home / 20,324,287.10-28,046,790.52-11,503,549.10

Finding the Fourth Proportional to 20,324,287.10, 28,046,790.52 and 11,503,549.10

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Solution

The fourth proportional to 20,324,287.10, 28,046,790.52 and 11,503,549.10 is: 15,874,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,287.10 : 28,046,790.52 = 11,503,549.10 : x
  2. Step 2: Convert to fraction form
    20,324,287.10/28,046,790.52 = 11,503,549.10/x
  3. Step 3: Cross multiply
    20,324,287.10x = 28,046,790.52 × 11,503,549.10
  4. Step 4: Simplify right side
    20,324,287.10x = 322,637,631,675,241.69
  5. Step 5: Solve for x
    x = 322,637,631,675,241.69/20,324,287.10
  6. Step 6: Final answer
    x = 15,874,487.02

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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.