Home / 13,826,179.76-19,074,806.52-8,660,548.40

Finding the Fourth Proportional to 13,826,179.76, 19,074,806.52 and 8,660,548.40

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Solution

The fourth proportional to 13,826,179.76, 19,074,806.52 and 8,660,548.40 is: 11,948,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,179.76 : 19,074,806.52 = 8,660,548.40 : x
  2. Step 2: Convert to fraction form
    13,826,179.76/19,074,806.52 = 8,660,548.40/x
  3. Step 3: Cross multiply
    13,826,179.76x = 19,074,806.52 × 8,660,548.40
  4. Step 4: Simplify right side
    13,826,179.76x = 165,198,285,087,095.56
  5. Step 5: Solve for x
    x = 165,198,285,087,095.56/13,826,179.76
  6. Step 6: Final answer
    x = 11,948,223.44

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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.