Home / 11,738,807.90-17,608,211.85-8,085,643.10

Finding the Fourth Proportional to 11,738,807.90, 17,608,211.85 and 8,085,643.10

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Solution

The fourth proportional to 11,738,807.90, 17,608,211.85 and 8,085,643.10 is: 12,128,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738,807.90 : 17,608,211.85 = 8,085,643.10 : x
  2. Step 2: Convert to fraction form
    11,738,807.90/17,608,211.85 = 8,085,643.10/x
  3. Step 3: Cross multiply
    11,738,807.90x = 17,608,211.85 × 8,085,643.10
  4. Step 4: Simplify right side
    11,738,807.90x = 142,373,716,648,290.75
  5. Step 5: Solve for x
    x = 142,373,716,648,290.75/11,738,807.90
  6. Step 6: Final answer
    x = 12,128,464.65

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Double scale
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Similar ratio
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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.