Home / 8,507,198.76-12,760,732.56-2,117,408.07

Finding the Fourth Proportional to 8,507,198.76, 12,760,732.56 and 2,117,408.07

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Solution

The fourth proportional to 8,507,198.76, 12,760,732.56 and 2,117,408.07 is: 3,176,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,198.76 : 12,760,732.56 = 2,117,408.07 : x
  2. Step 2: Convert to fraction form
    8,507,198.76/12,760,732.56 = 2,117,408.07/x
  3. Step 3: Cross multiply
    8,507,198.76x = 12,760,732.56 × 2,117,408.07
  4. Step 4: Simplify right side
    8,507,198.76x = 27,019,678,101,655.76
  5. Step 5: Solve for x
    x = 27,019,678,101,655.76/8,507,198.76
  6. Step 6: Final answer
    x = 3,176,095.78

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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.