Home / 12,197,016.64-18,271,130.34-7,336,640.13

Finding the Fourth Proportional to 12,197,016.64, 18,271,130.34 and 7,336,640.13

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Solution

The fourth proportional to 12,197,016.64, 18,271,130.34 and 7,336,640.13 is: 10,990,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,016.64 : 18,271,130.34 = 7,336,640.13 : x
  2. Step 2: Convert to fraction form
    12,197,016.64/18,271,130.34 = 7,336,640.13/x
  3. Step 3: Cross multiply
    12,197,016.64x = 18,271,130.34 × 7,336,640.13
  4. Step 4: Simplify right side
    12,197,016.64x = 134,048,708,072,904.55
  5. Step 5: Solve for x
    x = 134,048,708,072,904.55/12,197,016.64
  6. Step 6: Final answer
    x = 10,990,286.56

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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.