Home / 7,189,093.40-10,769,643.30-3,988,491.80

Finding the Fourth Proportional to 7,189,093.40, 10,769,643.30 and 3,988,491.80

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Solution

The fourth proportional to 7,189,093.40, 10,769,643.30 and 3,988,491.80 is: 5,974,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,093.40 : 10,769,643.30 = 3,988,491.80 : x
  2. Step 2: Convert to fraction form
    7,189,093.40/10,769,643.30 = 3,988,491.80/x
  3. Step 3: Cross multiply
    7,189,093.40x = 10,769,643.30 × 3,988,491.80
  4. Step 4: Simplify right side
    7,189,093.40x = 42,954,633,990,974.94
  5. Step 5: Solve for x
    x = 42,954,633,990,974.94/7,189,093.40
  6. Step 6: Final answer
    x = 5,974,972.31

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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.