Home / 12,198,986.64-18,298,168.56-3,223,616.40

Finding the Fourth Proportional to 12,198,986.64, 18,298,168.56 and 3,223,616.40

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Solution

The fourth proportional to 12,198,986.64, 18,298,168.56 and 3,223,616.40 is: 4,835,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198,986.64 : 18,298,168.56 = 3,223,616.40 : x
  2. Step 2: Convert to fraction form
    12,198,986.64/18,298,168.56 = 3,223,616.40/x
  3. Step 3: Cross multiply
    12,198,986.64x = 18,298,168.56 × 3,223,616.40
  4. Step 4: Simplify right side
    12,198,986.64x = 58,986,276,259,980.38
  5. Step 5: Solve for x
    x = 58,986,276,259,980.38/12,198,986.64
  6. Step 6: Final answer
    x = 4,835,342.31

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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.