Home / 6,115,115.80-9,172,673.70-4,099,576.60

Finding the Fourth Proportional to 6,115,115.80, 9,172,673.70 and 4,099,576.60

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Solution

The fourth proportional to 6,115,115.80, 9,172,673.70 and 4,099,576.60 is: 6,149,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115,115.80 : 9,172,673.70 = 4,099,576.60 : x
  2. Step 2: Convert to fraction form
    6,115,115.80/9,172,673.70 = 4,099,576.60/x
  3. Step 3: Cross multiply
    6,115,115.80x = 9,172,673.70 × 4,099,576.60
  4. Step 4: Simplify right side
    6,115,115.80x = 37,604,078,459,955.41
  5. Step 5: Solve for x
    x = 37,604,078,459,955.41/6,115,115.80
  6. Step 6: Final answer
    x = 6,149,364.90

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Similar ratio
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1.5x scale

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.