Home / 13,268,908.30-18,311,682.64-7,468,065.76

Finding the Fourth Proportional to 13,268,908.30, 18,311,682.64 and 7,468,065.76

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Solution

The fourth proportional to 13,268,908.30, 18,311,682.64 and 7,468,065.76 is: 10,306,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,908.30 : 18,311,682.64 = 7,468,065.76 : x
  2. Step 2: Convert to fraction form
    13,268,908.30/18,311,682.64 = 7,468,065.76/x
  3. Step 3: Cross multiply
    13,268,908.30x = 18,311,682.64 × 7,468,065.76
  4. Step 4: Simplify right side
    13,268,908.30x = 136,752,850,115,658.08
  5. Step 5: Solve for x
    x = 136,752,850,115,658.08/13,268,908.30
  6. Step 6: Final answer
    x = 10,306,262.36

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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.