Home / 8,099,814.78-11,177,750.52-4,428,672.84

Finding the Fourth Proportional to 8,099,814.78, 11,177,750.52 and 4,428,672.84

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Solution

The fourth proportional to 8,099,814.78, 11,177,750.52 and 4,428,672.84 is: 6,111,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099,814.78 : 11,177,750.52 = 4,428,672.84 : x
  2. Step 2: Convert to fraction form
    8,099,814.78/11,177,750.52 = 4,428,672.84/x
  3. Step 3: Cross multiply
    8,099,814.78x = 11,177,750.52 × 4,428,672.84
  4. Step 4: Simplify right side
    8,099,814.78x = 49,502,600,140,219.88
  5. Step 5: Solve for x
    x = 49,502,600,140,219.88/8,099,814.78
  6. Step 6: Final answer
    x = 6,111,571.87

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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.