Home / 5,395,218.60-8,091,531.90-3,115,813.80

Finding the Fourth Proportional to 5,395,218.60, 8,091,531.90 and 3,115,813.80

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Solution

The fourth proportional to 5,395,218.60, 8,091,531.90 and 3,115,813.80 is: 4,672,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,218.60 : 8,091,531.90 = 3,115,813.80 : x
  2. Step 2: Convert to fraction form
    5,395,218.60/8,091,531.90 = 3,115,813.80/x
  3. Step 3: Cross multiply
    5,395,218.60x = 8,091,531.90 × 3,115,813.80
  4. Step 4: Simplify right side
    5,395,218.60x = 25,211,706,757,160.22
  5. Step 5: Solve for x
    x = 25,211,706,757,160.22/5,395,218.60
  6. Step 6: Final answer
    x = 4,672,972.24

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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.