Home / 12,469,326.68-17,219,555.16-11,790,005.60

Finding the Fourth Proportional to 12,469,326.68, 17,219,555.16 and 11,790,005.60

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Solution

The fourth proportional to 12,469,326.68, 17,219,555.16 and 11,790,005.60 is: 16,281,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,326.68 : 17,219,555.16 = 11,790,005.60 : x
  2. Step 2: Convert to fraction form
    12,469,326.68/17,219,555.16 = 11,790,005.60/x
  3. Step 3: Cross multiply
    12,469,326.68x = 17,219,555.16 × 11,790,005.60
  4. Step 4: Simplify right side
    12,469,326.68x = 203,018,651,765,908.91
  5. Step 5: Solve for x
    x = 203,018,651,765,908.91/12,469,326.68
  6. Step 6: Final answer
    x = 16,281,444.62

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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.