Home / 6,643,531.20-9,965,296.80-5,446,804.80

Finding the Fourth Proportional to 6,643,531.20, 9,965,296.80 and 5,446,804.80

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Solution

The fourth proportional to 6,643,531.20, 9,965,296.80 and 5,446,804.80 is: 8,170,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,531.20 : 9,965,296.80 = 5,446,804.80 : x
  2. Step 2: Convert to fraction form
    6,643,531.20/9,965,296.80 = 5,446,804.80/x
  3. Step 3: Cross multiply
    6,643,531.20x = 9,965,296.80 × 5,446,804.80
  4. Step 4: Simplify right side
    6,643,531.20x = 54,279,026,443,664.64
  5. Step 5: Solve for x
    x = 54,279,026,443,664.64/6,643,531.20
  6. Step 6: Final answer
    x = 8,170,207.20

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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.