Home / 5,395,220.60-8,091,534.90-3,115,815.80

Finding the Fourth Proportional to 5,395,220.60, 8,091,534.90 and 3,115,815.80

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Solution

The fourth proportional to 5,395,220.60, 8,091,534.90 and 3,115,815.80 is: 4,672,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,220.60 : 8,091,534.90 = 3,115,815.80 : x
  2. Step 2: Convert to fraction form
    5,395,220.60/8,091,534.90 = 3,115,815.80/x
  3. Step 3: Cross multiply
    5,395,220.60x = 8,091,534.90 × 3,115,815.80
  4. Step 4: Simplify right side
    5,395,220.60x = 25,211,732,287,671.42
  5. Step 5: Solve for x
    x = 25,211,732,287,671.42/5,395,220.60
  6. Step 6: Final answer
    x = 4,672,975.24

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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.