Home / 7,242,056.80-10,863,085.20-3,882,824.80

Finding the Fourth Proportional to 7,242,056.80, 10,863,085.20 and 3,882,824.80

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Solution

The fourth proportional to 7,242,056.80, 10,863,085.20 and 3,882,824.80 is: 5,824,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,056.80 : 10,863,085.20 = 3,882,824.80 : x
  2. Step 2: Convert to fraction form
    7,242,056.80/10,863,085.20 = 3,882,824.80/x
  3. Step 3: Cross multiply
    7,242,056.80x = 10,863,085.20 × 3,882,824.80
  4. Step 4: Simplify right side
    7,242,056.80x = 42,179,456,619,072.95
  5. Step 5: Solve for x
    x = 42,179,456,619,072.95/7,242,056.80
  6. Step 6: Final answer
    x = 5,824,237.20

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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.