Home / 7,189,843.24-9,922,228.50-4,252,178.56

Finding the Fourth Proportional to 7,189,843.24, 9,922,228.50 and 4,252,178.56

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Solution

The fourth proportional to 7,189,843.24, 9,922,228.50 and 4,252,178.56 is: 5,868,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,843.24 : 9,922,228.50 = 4,252,178.56 : x
  2. Step 2: Convert to fraction form
    7,189,843.24/9,922,228.50 = 4,252,178.56/x
  3. Step 3: Cross multiply
    7,189,843.24x = 9,922,228.50 × 4,252,178.56
  4. Step 4: Simplify right side
    7,189,843.24x = 42,191,087,295,120.95
  5. Step 5: Solve for x
    x = 42,191,087,295,120.95/7,189,843.24
  6. Step 6: Final answer
    x = 5,868,151.21

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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.