Home / 18,004,923.36-27,007,426.55-10,378,412.86

Finding the Fourth Proportional to 18,004,923.36, 27,007,426.55 and 10,378,412.86

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Solution

The fourth proportional to 18,004,923.36, 27,007,426.55 and 10,378,412.86 is: 15,567,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004,923.36 : 27,007,426.55 = 10,378,412.86 : x
  2. Step 2: Convert to fraction form
    18,004,923.36/27,007,426.55 = 10,378,412.86/x
  3. Step 3: Cross multiply
    18,004,923.36x = 27,007,426.55 × 10,378,412.86
  4. Step 4: Simplify right side
    18,004,923.36x = 280,294,223,022,025.44
  5. Step 5: Solve for x
    x = 280,294,223,022,025.44/18,004,923.36
  6. Step 6: Final answer
    x = 15,567,643.22

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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.