Home / 12,197,016.13-18,271,129.60-7,336,639.62

Finding the Fourth Proportional to 12,197,016.13, 18,271,129.60 and 7,336,639.62

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Solution

The fourth proportional to 12,197,016.13, 18,271,129.60 and 7,336,639.62 is: 10,990,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,016.13 : 18,271,129.60 = 7,336,639.62 : x
  2. Step 2: Convert to fraction form
    12,197,016.13/18,271,129.60 = 7,336,639.62/x
  3. Step 3: Cross multiply
    12,197,016.13x = 18,271,129.60 × 7,336,639.62
  4. Step 4: Simplify right side
    12,197,016.13x = 134,048,693,325,514.77
  5. Step 5: Solve for x
    x = 134,048,693,325,514.77/12,197,016.13
  6. Step 6: Final answer
    x = 10,990,285.81

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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.