Home / 51,013,745.04-76,512,729.64-18,658,081.20

Finding the Fourth Proportional to 51,013,745.04, 76,512,729.64 and 18,658,081.20

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Solution

The fourth proportional to 51,013,745.04, 76,512,729.64 and 18,658,081.20 is: 27,984,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013,745.04 : 76,512,729.64 = 18,658,081.20 : x
  2. Step 2: Convert to fraction form
    51,013,745.04/76,512,729.64 = 18,658,081.20/x
  3. Step 3: Cross multiply
    51,013,745.04x = 76,512,729.64 × 18,658,081.20
  4. Step 4: Simplify right side
    51,013,745.04x = 1,427,580,722,456,766.75
  5. Step 5: Solve for x
    x = 1,427,580,722,456,766.75/51,013,745.04
  6. Step 6: Final answer
    x = 27,984,236.82

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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.