Home / 6,476,809.20-9,721,434.60-3,285,538.80

Finding the Fourth Proportional to 6,476,809.20, 9,721,434.60 and 3,285,538.80

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Solution

The fourth proportional to 6,476,809.20, 9,721,434.60 and 3,285,538.80 is: 4,931,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,809.20 : 9,721,434.60 = 3,285,538.80 : x
  2. Step 2: Convert to fraction form
    6,476,809.20/9,721,434.60 = 3,285,538.80/x
  3. Step 3: Cross multiply
    6,476,809.20x = 9,721,434.60 × 3,285,538.80
  4. Step 4: Simplify right side
    6,476,809.20x = 31,940,150,569,962.48
  5. Step 5: Solve for x
    x = 31,940,150,569,962.48/6,476,809.20
  6. Step 6: Final answer
    x = 4,931,463.87

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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.