Home / 13,288,586.80-19,932,880.20-13,162,615.60

Finding the Fourth Proportional to 13,288,586.80, 19,932,880.20 and 13,162,615.60

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Solution

The fourth proportional to 13,288,586.80, 19,932,880.20 and 13,162,615.60 is: 19,743,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,586.80 : 19,932,880.20 = 13,162,615.60 : x
  2. Step 2: Convert to fraction form
    13,288,586.80/19,932,880.20 = 13,162,615.60/x
  3. Step 3: Cross multiply
    13,288,586.80x = 19,932,880.20 × 13,162,615.60
  4. Step 4: Simplify right side
    13,288,586.80x = 262,368,839,873,451.09
  5. Step 5: Solve for x
    x = 262,368,839,873,451.09/13,288,586.80
  6. Step 6: Final answer
    x = 19,743,923.40

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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.