Home / 6,721,813.80-10,082,720.70-5,540,833.80

Finding the Fourth Proportional to 6,721,813.80, 10,082,720.70 and 5,540,833.80

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Solution

The fourth proportional to 6,721,813.80, 10,082,720.70 and 5,540,833.80 is: 8,311,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,813.80 : 10,082,720.70 = 5,540,833.80 : x
  2. Step 2: Convert to fraction form
    6,721,813.80/10,082,720.70 = 5,540,833.80/x
  3. Step 3: Cross multiply
    6,721,813.80x = 10,082,720.70 × 5,540,833.80
  4. Step 4: Simplify right side
    6,721,813.80x = 55,866,679,650,519.66
  5. Step 5: Solve for x
    x = 55,866,679,650,519.66/6,721,813.80
  6. Step 6: Final answer
    x = 8,311,250.70

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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.