Home / 18,347,405.15-25,317,921.61-10,802,338.44

Finding the Fourth Proportional to 18,347,405.15, 25,317,921.61 and 10,802,338.44

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Solution

The fourth proportional to 18,347,405.15, 25,317,921.61 and 10,802,338.44 is: 14,906,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347,405.15 : 25,317,921.61 = 10,802,338.44 : x
  2. Step 2: Convert to fraction form
    18,347,405.15/25,317,921.61 = 10,802,338.44/x
  3. Step 3: Cross multiply
    18,347,405.15x = 25,317,921.61 × 10,802,338.44
  4. Step 4: Simplify right side
    18,347,405.15x = 273,492,757,828,609.66
  5. Step 5: Solve for x
    x = 273,492,757,828,609.66/18,347,405.15
  6. Step 6: Final answer
    x = 14,906,345.37

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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.