Home / 12,055,784.40-18,085,669.20-5,585,326.20

Finding the Fourth Proportional to 12,055,784.40, 18,085,669.20 and 5,585,326.20

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Solution

The fourth proportional to 12,055,784.40, 18,085,669.20 and 5,585,326.20 is: 8,378,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055,784.40 : 18,085,669.20 = 5,585,326.20 : x
  2. Step 2: Convert to fraction form
    12,055,784.40/18,085,669.20 = 5,585,326.20/x
  3. Step 3: Cross multiply
    12,055,784.40x = 18,085,669.20 × 5,585,326.20
  4. Step 4: Simplify right side
    12,055,784.40x = 101,014,362,027,293.05
  5. Step 5: Solve for x
    x = 101,014,362,027,293.05/12,055,784.40
  6. Step 6: Final answer
    x = 8,378,912.45

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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.