Home / 6,643,132.87-9,167,717.66-3,889,562.67

Finding the Fourth Proportional to 6,643,132.87, 9,167,717.66 and 3,889,562.67

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Solution

The fourth proportional to 6,643,132.87, 9,167,717.66 and 3,889,562.67 is: 5,367,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,132.87 : 9,167,717.66 = 3,889,562.67 : x
  2. Step 2: Convert to fraction form
    6,643,132.87/9,167,717.66 = 3,889,562.67/x
  3. Step 3: Cross multiply
    6,643,132.87x = 9,167,717.66 × 3,889,562.67
  4. Step 4: Simplify right side
    6,643,132.87x = 35,658,412,361,553.19
  5. Step 5: Solve for x
    x = 35,658,412,361,553.19/6,643,132.87
  6. Step 6: Final answer
    x = 5,367,710.25

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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.