Home / 8,279,548.20-12,419,322.30-7,535,530.80

Finding the Fourth Proportional to 8,279,548.20, 12,419,322.30 and 7,535,530.80

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Solution

The fourth proportional to 8,279,548.20, 12,419,322.30 and 7,535,530.80 is: 11,303,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,548.20 : 12,419,322.30 = 7,535,530.80 : x
  2. Step 2: Convert to fraction form
    8,279,548.20/12,419,322.30 = 7,535,530.80/x
  3. Step 3: Cross multiply
    8,279,548.20x = 12,419,322.30 × 7,535,530.80
  4. Step 4: Simplify right side
    8,279,548.20x = 93,586,185,706,776.84
  5. Step 5: Solve for x
    x = 93,586,185,706,776.84/8,279,548.20
  6. Step 6: Final answer
    x = 11,303,296.20

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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.