Home / 7,790,999.80-11,686,499.70-4,431,767.80

Finding the Fourth Proportional to 7,790,999.80, 11,686,499.70 and 4,431,767.80

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Solution

The fourth proportional to 7,790,999.80, 11,686,499.70 and 4,431,767.80 is: 6,647,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,999.80 : 11,686,499.70 = 4,431,767.80 : x
  2. Step 2: Convert to fraction form
    7,790,999.80/11,686,499.70 = 4,431,767.80/x
  3. Step 3: Cross multiply
    7,790,999.80x = 11,686,499.70 × 4,431,767.80
  4. Step 4: Simplify right side
    7,790,999.80x = 51,791,853,065,169.66
  5. Step 5: Solve for x
    x = 51,791,853,065,169.66/7,790,999.80
  6. Step 6: Final answer
    x = 6,647,651.70

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1.5x scale

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.