Home / 9,224,415.38-12,728,855.49-5,149,284.50

Finding the Fourth Proportional to 9,224,415.38, 12,728,855.49 and 5,149,284.50

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Solution

The fourth proportional to 9,224,415.38, 12,728,855.49 and 5,149,284.50 is: 7,105,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224,415.38 : 12,728,855.49 = 5,149,284.50 : x
  2. Step 2: Convert to fraction form
    9,224,415.38/12,728,855.49 = 5,149,284.50/x
  3. Step 3: Cross multiply
    9,224,415.38x = 12,728,855.49 × 5,149,284.50
  4. Step 4: Simplify right side
    9,224,415.38x = 65,544,498,277,396.91
  5. Step 5: Solve for x
    x = 65,544,498,277,396.91/9,224,415.38
  6. Step 6: Final answer
    x = 7,105,544.97

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Double scale
Find fourth proportional to 9,224,416.38, 12,728,856.87 and 5,149,285.50
Similar ratio
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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.