Home / 8,789,899.96-13,188,638.91-4,745,584.78

Finding the Fourth Proportional to 8,789,899.96, 13,188,638.91 and 4,745,584.78

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Solution

The fourth proportional to 8,789,899.96, 13,188,638.91 and 4,745,584.78 is: 7,120,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,899.96 : 13,188,638.91 = 4,745,584.78 : x
  2. Step 2: Convert to fraction form
    8,789,899.96/13,188,638.91 = 4,745,584.78/x
  3. Step 3: Cross multiply
    8,789,899.96x = 13,188,638.91 × 4,745,584.78
  4. Step 4: Simplify right side
    8,789,899.96x = 62,587,804,080,211.80
  5. Step 5: Solve for x
    x = 62,587,804,080,211.80/8,789,899.96
  6. Step 6: Final answer
    x = 7,120,422.80

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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.