Home / 11,296,778.34-15,597,061.60-8,678,619.49

Finding the Fourth Proportional to 11,296,778.34, 15,597,061.60 and 8,678,619.49

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Solution

The fourth proportional to 11,296,778.34, 15,597,061.60 and 8,678,619.49 is: 11,982,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296,778.34 : 15,597,061.60 = 8,678,619.49 : x
  2. Step 2: Convert to fraction form
    11,296,778.34/15,597,061.60 = 8,678,619.49/x
  3. Step 3: Cross multiply
    11,296,778.34x = 15,597,061.60 × 8,678,619.49
  4. Step 4: Simplify right side
    11,296,778.34x = 135,360,962,745,097.50
  5. Step 5: Solve for x
    x = 135,360,962,745,097.50/11,296,778.34
  6. Step 6: Final answer
    x = 11,982,262.44

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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.