Home / 8,305,893.40-12,458,840.10-6,626,277.40

Finding the Fourth Proportional to 8,305,893.40, 12,458,840.10 and 6,626,277.40

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Solution

The fourth proportional to 8,305,893.40, 12,458,840.10 and 6,626,277.40 is: 9,939,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,893.40 : 12,458,840.10 = 6,626,277.40 : x
  2. Step 2: Convert to fraction form
    8,305,893.40/12,458,840.10 = 6,626,277.40/x
  3. Step 3: Cross multiply
    8,305,893.40x = 12,458,840.10 × 6,626,277.40
  4. Step 4: Simplify right side
    8,305,893.40x = 82,555,730,584,843.73
  5. Step 5: Solve for x
    x = 82,555,730,584,843.73/8,305,893.40
  6. Step 6: Final answer
    x = 9,939,416.10

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Double scale
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Similar ratio
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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.