Home / 7,381,528.80-11,074,042.80-3,787,850.40

Finding the Fourth Proportional to 7,381,528.80, 11,074,042.80 and 3,787,850.40

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Solution

The fourth proportional to 7,381,528.80, 11,074,042.80 and 3,787,850.40 is: 5,682,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,528.80 : 11,074,042.80 = 3,787,850.40 : x
  2. Step 2: Convert to fraction form
    7,381,528.80/11,074,042.80 = 3,787,850.40/x
  3. Step 3: Cross multiply
    7,381,528.80x = 11,074,042.80 × 3,787,850.40
  4. Step 4: Simplify right side
    7,381,528.80x = 41,946,817,449,597.12
  5. Step 5: Solve for x
    x = 41,946,817,449,597.12/7,381,528.80
  6. Step 6: Final answer
    x = 5,682,673.41

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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.