Home / 8,289,382.79-11,439,080.07-4,757,760.75

Finding the Fourth Proportional to 8,289,382.79, 11,439,080.07 and 4,757,760.75

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Solution

The fourth proportional to 8,289,382.79, 11,439,080.07 and 4,757,760.75 is: 6,565,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,382.79 : 11,439,080.07 = 4,757,760.75 : x
  2. Step 2: Convert to fraction form
    8,289,382.79/11,439,080.07 = 4,757,760.75/x
  3. Step 3: Cross multiply
    8,289,382.79x = 11,439,080.07 × 4,757,760.75
  4. Step 4: Simplify right side
    8,289,382.79x = 54,424,406,198,208.20
  5. Step 5: Solve for x
    x = 54,424,406,198,208.20/8,289,382.79
  6. Step 6: Final answer
    x = 6,565,555.91

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1.5x scale

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.