Home / 7,189,821.71-9,922,198.82-4,252,157.02

Finding the Fourth Proportional to 7,189,821.71, 9,922,198.82 and 4,252,157.02

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Solution

The fourth proportional to 7,189,821.71, 9,922,198.82 and 4,252,157.02 is: 5,868,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,821.71 : 9,922,198.82 = 4,252,157.02 : x
  2. Step 2: Convert to fraction form
    7,189,821.71/9,922,198.82 = 4,252,157.02/x
  3. Step 3: Cross multiply
    7,189,821.71x = 9,922,198.82 × 4,252,157.02
  4. Step 4: Simplify right side
    7,189,821.71x = 42,190,747,366,298.71
  5. Step 5: Solve for x
    x = 42,190,747,366,298.71/7,189,821.71
  6. Step 6: Final answer
    x = 5,868,121.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.