Home / 13,777,775.24-19,012,979.88-7,498,035.62

Finding the Fourth Proportional to 13,777,775.24, 19,012,979.88 and 7,498,035.62

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Solution

The fourth proportional to 13,777,775.24, 19,012,979.88 and 7,498,035.62 is: 10,347,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777,775.24 : 19,012,979.88 = 7,498,035.62 : x
  2. Step 2: Convert to fraction form
    13,777,775.24/19,012,979.88 = 7,498,035.62/x
  3. Step 3: Cross multiply
    13,777,775.24x = 19,012,979.88 × 7,498,035.62
  4. Step 4: Simplify right side
    13,777,775.24x = 142,560,000,382,583.31
  5. Step 5: Solve for x
    x = 142,560,000,382,583.31/13,777,775.24
  6. Step 6: Final answer
    x = 10,347,098.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.