Home / 18,004,924.86-27,007,428.80-10,378,414.36

Finding the Fourth Proportional to 18,004,924.86, 27,007,428.80 and 10,378,414.36

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Solution

The fourth proportional to 18,004,924.86, 27,007,428.80 and 10,378,414.36 is: 15,567,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004,924.86 : 27,007,428.80 = 10,378,414.36 : x
  2. Step 2: Convert to fraction form
    18,004,924.86/27,007,428.80 = 10,378,414.36/x
  3. Step 3: Cross multiply
    18,004,924.86x = 27,007,428.80 × 10,378,414.36
  4. Step 4: Simplify right side
    18,004,924.86x = 280,294,286,884,597.56
  5. Step 5: Solve for x
    x = 280,294,286,884,597.56/18,004,924.86
  6. Step 6: Final answer
    x = 15,567,645.47

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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.