Home / 6,467,107.20-9,702,043.20-1,979,836.80

Finding the Fourth Proportional to 6,467,107.20, 9,702,043.20 and 1,979,836.80

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Solution

The fourth proportional to 6,467,107.20, 9,702,043.20 and 1,979,836.80 is: 2,970,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467,107.20 : 9,702,043.20 = 1,979,836.80 : x
  2. Step 2: Convert to fraction form
    6,467,107.20/9,702,043.20 = 1,979,836.80/x
  3. Step 3: Cross multiply
    6,467,107.20x = 9,702,043.20 × 1,979,836.80
  4. Step 4: Simplify right side
    6,467,107.20x = 19,208,462,162,549.76
  5. Step 5: Solve for x
    x = 19,208,462,162,549.76/6,467,107.20
  6. Step 6: Final answer
    x = 2,970,178.41

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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.