Home / 18,581,790.30-27,846,113.40-12,895,371.60

Finding the Fourth Proportional to 18,581,790.30, 27,846,113.40 and 12,895,371.60

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Solution

The fourth proportional to 18,581,790.30, 27,846,113.40 and 12,895,371.60 is: 19,324,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,790.30 : 27,846,113.40 = 12,895,371.60 : x
  2. Step 2: Convert to fraction form
    18,581,790.30/27,846,113.40 = 12,895,371.60/x
  3. Step 3: Cross multiply
    18,581,790.30x = 27,846,113.40 × 12,895,371.60
  4. Step 4: Simplify right side
    18,581,790.30x = 359,085,979,908,739.44
  5. Step 5: Solve for x
    x = 359,085,979,908,739.44/18,581,790.30
  6. Step 6: Final answer
    x = 19,324,616.96

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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.