Home / 12,005,922.80-18,009,382.44-3,486,259.22

Finding the Fourth Proportional to 12,005,922.80, 18,009,382.44 and 3,486,259.22

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Solution

The fourth proportional to 12,005,922.80, 18,009,382.44 and 3,486,259.22 is: 5,229,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,922.80 : 18,009,382.44 = 3,486,259.22 : x
  2. Step 2: Convert to fraction form
    12,005,922.80/18,009,382.44 = 3,486,259.22/x
  3. Step 3: Cross multiply
    12,005,922.80x = 18,009,382.44 × 3,486,259.22
  4. Step 4: Simplify right side
    12,005,922.80x = 62,785,375,577,956.10
  5. Step 5: Solve for x
    x = 62,785,375,577,956.10/12,005,922.80
  6. Step 6: Final answer
    x = 5,229,533.51

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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.