Home / 8,018,129.73-11,065,095.09-4,347,036.78

Finding the Fourth Proportional to 8,018,129.73, 11,065,095.09 and 4,347,036.78

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Solution

The fourth proportional to 8,018,129.73, 11,065,095.09 and 4,347,036.78 is: 5,998,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,129.73 : 11,065,095.09 = 4,347,036.78 : x
  2. Step 2: Convert to fraction form
    8,018,129.73/11,065,095.09 = 4,347,036.78/x
  3. Step 3: Cross multiply
    8,018,129.73x = 11,065,095.09 × 4,347,036.78
  4. Step 4: Simplify right side
    8,018,129.73x = 48,100,375,330,427.41
  5. Step 5: Solve for x
    x = 48,100,375,330,427.41/8,018,129.73
  6. Step 6: Final answer
    x = 5,998,951.99

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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.