Home / 11,916,715.68-17,861,076.60-5,513,442.12

Finding the Fourth Proportional to 11,916,715.68, 17,861,076.60 and 5,513,442.12

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Solution

The fourth proportional to 11,916,715.68, 17,861,076.60 and 5,513,442.12 is: 8,263,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916,715.68 : 17,861,076.60 = 5,513,442.12 : x
  2. Step 2: Convert to fraction form
    11,916,715.68/17,861,076.60 = 5,513,442.12/x
  3. Step 3: Cross multiply
    11,916,715.68x = 17,861,076.60 × 5,513,442.12
  4. Step 4: Simplify right side
    11,916,715.68x = 98,476,012,034,986.41
  5. Step 5: Solve for x
    x = 98,476,012,034,986.41/11,916,715.68
  6. Step 6: Final answer
    x = 8,263,687.30

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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.