Home / 7,654,638.69-11,481,974.24-7,186,970.61

Finding the Fourth Proportional to 7,654,638.69, 11,481,974.24 and 7,186,970.61

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Solution

The fourth proportional to 7,654,638.69, 11,481,974.24 and 7,186,970.61 is: 10,780,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654,638.69 : 11,481,974.24 = 7,186,970.61 : x
  2. Step 2: Convert to fraction form
    7,654,638.69/11,481,974.24 = 7,186,970.61/x
  3. Step 3: Cross multiply
    7,654,638.69x = 11,481,974.24 × 7,186,970.61
  4. Step 4: Simplify right side
    7,654,638.69x = 82,520,611,371,722.23
  5. Step 5: Solve for x
    x = 82,520,611,371,722.23/7,654,638.69
  6. Step 6: Final answer
    x = 10,780,471.13

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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.