Home / 6,685,629.91-9,205,511.15-5,221,452.85

Finding the Fourth Proportional to 6,685,629.91, 9,205,511.15 and 5,221,452.85

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Solution

The fourth proportional to 6,685,629.91, 9,205,511.15 and 5,221,452.85 is: 7,189,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685,629.91 : 9,205,511.15 = 5,221,452.85 : x
  2. Step 2: Convert to fraction form
    6,685,629.91/9,205,511.15 = 5,221,452.85/x
  3. Step 3: Cross multiply
    6,685,629.91x = 9,205,511.15 × 5,221,452.85
  4. Step 4: Simplify right side
    6,685,629.91x = 48,066,142,419,914.13
  5. Step 5: Solve for x
    x = 48,066,142,419,914.13/6,685,629.91
  6. Step 6: Final answer
    x = 7,189,471.01

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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.