Home / 12,367,162.36-18,552,015.78-4,280,123.44

Finding the Fourth Proportional to 12,367,162.36, 18,552,015.78 and 4,280,123.44

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Solution

The fourth proportional to 12,367,162.36, 18,552,015.78 and 4,280,123.44 is: 6,420,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,162.36 : 18,552,015.78 = 4,280,123.44 : x
  2. Step 2: Convert to fraction form
    12,367,162.36/18,552,015.78 = 4,280,123.44/x
  3. Step 3: Cross multiply
    12,367,162.36x = 18,552,015.78 × 4,280,123.44
  4. Step 4: Simplify right side
    12,367,162.36x = 79,404,917,599,227.89
  5. Step 5: Solve for x
    x = 79,404,917,599,227.89/12,367,162.36
  6. Step 6: Final answer
    x = 6,420,625.47

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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.