Home / 7,242,079.80-10,863,119.70-3,882,847.80

Finding the Fourth Proportional to 7,242,079.80, 10,863,119.70 and 3,882,847.80

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Solution

The fourth proportional to 7,242,079.80, 10,863,119.70 and 3,882,847.80 is: 5,824,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,079.80 : 10,863,119.70 = 3,882,847.80 : x
  2. Step 2: Convert to fraction form
    7,242,079.80/10,863,119.70 = 3,882,847.80/x
  3. Step 3: Cross multiply
    7,242,079.80x = 10,863,119.70 × 3,882,847.80
  4. Step 4: Simplify right side
    7,242,079.80x = 42,179,840,428,281.66
  5. Step 5: Solve for x
    x = 42,179,840,428,281.66/7,242,079.80
  6. Step 6: Final answer
    x = 5,824,271.70

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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.