Home / 13,388,382.24-18,476,089.92-7,276,826.40

Finding the Fourth Proportional to 13,388,382.24, 18,476,089.92 and 7,276,826.40

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Solution

The fourth proportional to 13,388,382.24, 18,476,089.92 and 7,276,826.40 is: 10,042,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,382.24 : 18,476,089.92 = 7,276,826.40 : x
  2. Step 2: Convert to fraction form
    13,388,382.24/18,476,089.92 = 7,276,826.40/x
  3. Step 3: Cross multiply
    13,388,382.24x = 18,476,089.92 × 7,276,826.40
  4. Step 4: Simplify right side
    13,388,382.24x = 134,447,298,898,629.91
  5. Step 5: Solve for x
    x = 134,447,298,898,629.91/13,388,382.24
  6. Step 6: Final answer
    x = 10,042,086.97

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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.