Home / 7,190,131.62-9,922,328.40-3,926,947.80

Finding the Fourth Proportional to 7,190,131.62, 9,922,328.40 and 3,926,947.80

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Solution

The fourth proportional to 7,190,131.62, 9,922,328.40 and 3,926,947.80 is: 5,419,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,131.62 : 9,922,328.40 = 3,926,947.80 : x
  2. Step 2: Convert to fraction form
    7,190,131.62/9,922,328.40 = 3,926,947.80/x
  3. Step 3: Cross multiply
    7,190,131.62x = 9,922,328.40 × 3,926,947.80
  4. Step 4: Simplify right side
    7,190,131.62x = 38,964,465,681,257.52
  5. Step 5: Solve for x
    x = 38,964,465,681,257.52/7,190,131.62
  6. Step 6: Final answer
    x = 5,419,158.89

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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.