Home / 11,718,842.56-16,171,827-6,491,834.18

Finding the Fourth Proportional to 11,718,842.56, 16,171,827 and 6,491,834.18

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Solution

The fourth proportional to 11,718,842.56, 16,171,827 and 6,491,834.18 is: 8,958,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718,842.56 : 16,171,827 = 6,491,834.18 : x
  2. Step 2: Convert to fraction form
    11,718,842.56/16,171,827 = 6,491,834.18/x
  3. Step 3: Cross multiply
    11,718,842.56x = 16,171,827 × 6,491,834.18
  4. Step 4: Simplify right side
    11,718,842.56x = 104,984,819,271,646.86
  5. Step 5: Solve for x
    x = 104,984,819,271,646.86/11,718,842.56
  6. Step 6: Final answer
    x = 8,958,633.82

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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.