Home / 8,691,846.80-13,042,435.80-3,643,667.60

Finding the Fourth Proportional to 8,691,846.80, 13,042,435.80 and 3,643,667.60

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Solution

The fourth proportional to 8,691,846.80, 13,042,435.80 and 3,643,667.60 is: 5,467,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,846.80 : 13,042,435.80 = 3,643,667.60 : x
  2. Step 2: Convert to fraction form
    8,691,846.80/13,042,435.80 = 3,643,667.60/x
  3. Step 3: Cross multiply
    8,691,846.80x = 13,042,435.80 × 3,643,667.60
  4. Step 4: Simplify right side
    8,691,846.80x = 47,522,300,749,540.09
  5. Step 5: Solve for x
    x = 47,522,300,749,540.09/8,691,846.80
  6. Step 6: Final answer
    x = 5,467,457.24

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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.