Home / 13,209,414.30-19,814,121.45-11,193,875.10

Finding the Fourth Proportional to 13,209,414.30, 19,814,121.45 and 11,193,875.10

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Solution

The fourth proportional to 13,209,414.30, 19,814,121.45 and 11,193,875.10 is: 16,790,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,414.30 : 19,814,121.45 = 11,193,875.10 : x
  2. Step 2: Convert to fraction form
    13,209,414.30/19,814,121.45 = 11,193,875.10/x
  3. Step 3: Cross multiply
    13,209,414.30x = 19,814,121.45 × 11,193,875.10
  4. Step 4: Simplify right side
    13,209,414.30x = 221,796,800,727,530.88
  5. Step 5: Solve for x
    x = 221,796,800,727,530.88/13,209,414.30
  6. Step 6: Final answer
    x = 16,790,812.65

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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.