Home / 12,005,883.80-18,009,323.90-3,486,220.27

Finding the Fourth Proportional to 12,005,883.80, 18,009,323.90 and 3,486,220.27

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Solution

The fourth proportional to 12,005,883.80, 18,009,323.90 and 3,486,220.27 is: 5,229,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,883.80 : 18,009,323.90 = 3,486,220.27 : x
  2. Step 2: Convert to fraction form
    12,005,883.80/18,009,323.90 = 3,486,220.27/x
  3. Step 3: Cross multiply
    12,005,883.80x = 18,009,323.90 × 3,486,220.27
  4. Step 4: Simplify right side
    12,005,883.80x = 62,784,469,979,794.37
  5. Step 5: Solve for x
    x = 62,784,469,979,794.37/12,005,883.80
  6. Step 6: Final answer
    x = 5,229,475.07

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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.