Home / 18,968,792.25-28,453,262.49-4,591,836.57

Finding the Fourth Proportional to 18,968,792.25, 28,453,262.49 and 4,591,836.57

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Solution

The fourth proportional to 18,968,792.25, 28,453,262.49 and 4,591,836.57 is: 6,887,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,792.25 : 28,453,262.49 = 4,591,836.57 : x
  2. Step 2: Convert to fraction form
    18,968,792.25/28,453,262.49 = 4,591,836.57/x
  3. Step 3: Cross multiply
    18,968,792.25x = 28,453,262.49 × 4,591,836.57
  4. Step 4: Simplify right side
    18,968,792.25x = 130,652,731,237,391.27
  5. Step 5: Solve for x
    x = 130,652,731,237,391.27/18,968,792.25
  6. Step 6: Final answer
    x = 6,887,772.80

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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.