Home / 12,481,876.80-18,722,815.20-10,596,974.40

Finding the Fourth Proportional to 12,481,876.80, 18,722,815.20 and 10,596,974.40

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Solution

The fourth proportional to 12,481,876.80, 18,722,815.20 and 10,596,974.40 is: 15,895,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,876.80 : 18,722,815.20 = 10,596,974.40 : x
  2. Step 2: Convert to fraction form
    12,481,876.80/18,722,815.20 = 10,596,974.40/x
  3. Step 3: Cross multiply
    12,481,876.80x = 18,722,815.20 × 10,596,974.40
  4. Step 4: Simplify right side
    12,481,876.80x = 198,405,193,370,330.88
  5. Step 5: Solve for x
    x = 198,405,193,370,330.88/12,481,876.80
  6. Step 6: Final answer
    x = 15,895,461.60

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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.