Home / 12,322,728.40-18,485,842.20-3,802,176.40

Finding the Fourth Proportional to 12,322,728.40, 18,485,842.20 and 3,802,176.40

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Solution

The fourth proportional to 12,322,728.40, 18,485,842.20 and 3,802,176.40 is: 5,703,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322,728.40 : 18,485,842.20 = 3,802,176.40 : x
  2. Step 2: Convert to fraction form
    12,322,728.40/18,485,842.20 = 3,802,176.40/x
  3. Step 3: Cross multiply
    12,322,728.40x = 18,485,842.20 × 3,802,176.40
  4. Step 4: Simplify right side
    12,322,728.40x = 70,286,432,946,964.08
  5. Step 5: Solve for x
    x = 70,286,432,946,964.08/12,322,728.40
  6. Step 6: Final answer
    x = 5,703,804.44

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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.