Home / 7,776,231.20-11,678,343.60-5,648,717.60

Finding the Fourth Proportional to 7,776,231.20, 11,678,343.60 and 5,648,717.60

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Solution

The fourth proportional to 7,776,231.20, 11,678,343.60 and 5,648,717.60 is: 8,483,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,231.20 : 11,678,343.60 = 5,648,717.60 : x
  2. Step 2: Convert to fraction form
    7,776,231.20/11,678,343.60 = 5,648,717.60/x
  3. Step 3: Cross multiply
    7,776,231.20x = 11,678,343.60 × 5,648,717.60
  4. Step 4: Simplify right side
    7,776,231.20x = 65,967,665,032,167.35
  5. Step 5: Solve for x
    x = 65,967,665,032,167.35/7,776,231.20
  6. Step 6: Final answer
    x = 8,483,243.79

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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.