Home / 13,773,506.40-20,661,037.20-4,189,197.60

Finding the Fourth Proportional to 13,773,506.40, 20,661,037.20 and 4,189,197.60

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Solution

The fourth proportional to 13,773,506.40, 20,661,037.20 and 4,189,197.60 is: 6,284,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773,506.40 : 20,661,037.20 = 4,189,197.60 : x
  2. Step 2: Convert to fraction form
    13,773,506.40/20,661,037.20 = 4,189,197.60/x
  3. Step 3: Cross multiply
    13,773,506.40x = 20,661,037.20 × 4,189,197.60
  4. Step 4: Simplify right side
    13,773,506.40x = 86,553,167,451,750.72
  5. Step 5: Solve for x
    x = 86,553,167,451,750.72/13,773,506.40
  6. Step 6: Final answer
    x = 6,284,032.91

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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.