Home / 11,591,020.80-17,379,619.20-7,106,515.20

Finding the Fourth Proportional to 11,591,020.80, 17,379,619.20 and 7,106,515.20

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Solution

The fourth proportional to 11,591,020.80, 17,379,619.20 and 7,106,515.20 is: 10,655,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,020.80 : 17,379,619.20 = 7,106,515.20 : x
  2. Step 2: Convert to fraction form
    11,591,020.80/17,379,619.20 = 7,106,515.20/x
  3. Step 3: Cross multiply
    11,591,020.80x = 17,379,619.20 × 7,106,515.20
  4. Step 4: Simplify right side
    11,591,020.80x = 123,508,528,015,011.84
  5. Step 5: Solve for x
    x = 123,508,528,015,011.84/11,591,020.80
  6. Step 6: Final answer
    x = 10,655,535.02

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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.