Home / 8,721,336.40-13,082,004.60-6,829,694.80

Finding the Fourth Proportional to 8,721,336.40, 13,082,004.60 and 6,829,694.80

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Solution

The fourth proportional to 8,721,336.40, 13,082,004.60 and 6,829,694.80 is: 10,244,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,336.40 : 13,082,004.60 = 6,829,694.80 : x
  2. Step 2: Convert to fraction form
    8,721,336.40/13,082,004.60 = 6,829,694.80/x
  3. Step 3: Cross multiply
    8,721,336.40x = 13,082,004.60 × 6,829,694.80
  4. Step 4: Simplify right side
    8,721,336.40x = 89,346,098,790,196.08
  5. Step 5: Solve for x
    x = 89,346,098,790,196.08/8,721,336.40
  6. Step 6: Final answer
    x = 10,244,542.20

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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.