Home / 6,641,274.88-9,105,179.48-6,520,205.84

Finding the Fourth Proportional to 6,641,274.88, 9,105,179.48 and 6,520,205.84

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Solution

The fourth proportional to 6,641,274.88, 9,105,179.48 and 6,520,205.84 is: 8,939,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,274.88 : 9,105,179.48 = 6,520,205.84 : x
  2. Step 2: Convert to fraction form
    6,641,274.88/9,105,179.48 = 6,520,205.84/x
  3. Step 3: Cross multiply
    6,641,274.88x = 9,105,179.48 × 6,520,205.84
  4. Step 4: Simplify right side
    6,641,274.88x = 59,367,644,419,744.16
  5. Step 5: Solve for x
    x = 59,367,644,419,744.16/6,641,274.88
  6. Step 6: Final answer
    x = 8,939,193.98

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.