Home / 12,367,163.36-18,552,017.28-4,280,124.44

Finding the Fourth Proportional to 12,367,163.36, 18,552,017.28 and 4,280,124.44

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Solution

The fourth proportional to 12,367,163.36, 18,552,017.28 and 4,280,124.44 is: 6,420,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,163.36 : 18,552,017.28 = 4,280,124.44 : x
  2. Step 2: Convert to fraction form
    12,367,163.36/18,552,017.28 = 4,280,124.44/x
  3. Step 3: Cross multiply
    12,367,163.36x = 18,552,017.28 × 4,280,124.44
  4. Step 4: Simplify right side
    12,367,163.36x = 79,404,942,571,430.33
  5. Step 5: Solve for x
    x = 79,404,942,571,430.33/12,367,163.36
  6. Step 6: Final answer
    x = 6,420,626.97

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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.