Home / 12,486,884.46-17,231,969.69-6,980,491.41

Finding the Fourth Proportional to 12,486,884.46, 17,231,969.69 and 6,980,491.41

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Solution

The fourth proportional to 12,486,884.46, 17,231,969.69 and 6,980,491.41 is: 9,633,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486,884.46 : 17,231,969.69 = 6,980,491.41 : x
  2. Step 2: Convert to fraction form
    12,486,884.46/17,231,969.69 = 6,980,491.41/x
  3. Step 3: Cross multiply
    12,486,884.46x = 17,231,969.69 × 6,980,491.41
  4. Step 4: Simplify right side
    12,486,884.46x = 120,287,616,363,522.91
  5. Step 5: Solve for x
    x = 120,287,616,363,522.91/12,486,884.46
  6. Step 6: Final answer
    x = 9,633,116.79

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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.