Home / 12,005,912.54-18,009,367.07-3,486,248.98

Finding the Fourth Proportional to 12,005,912.54, 18,009,367.07 and 3,486,248.98

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Solution

The fourth proportional to 12,005,912.54, 18,009,367.07 and 3,486,248.98 is: 5,229,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,912.54 : 18,009,367.07 = 3,486,248.98 : x
  2. Step 2: Convert to fraction form
    12,005,912.54/18,009,367.07 = 3,486,248.98/x
  3. Step 3: Cross multiply
    12,005,912.54x = 18,009,367.07 × 3,486,248.98
  4. Step 4: Simplify right side
    12,005,912.54x = 62,785,137,515,778.43
  5. Step 5: Solve for x
    x = 62,785,137,515,778.43/12,005,912.54
  6. Step 6: Final answer
    x = 5,229,518.15

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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.