Home / 12,008,538.08-18,012,694.48-5,189,932

Finding the Fourth Proportional to 12,008,538.08, 18,012,694.48 and 5,189,932

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Solution

The fourth proportional to 12,008,538.08, 18,012,694.48 and 5,189,932 is: 7,784,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,538.08 : 18,012,694.48 = 5,189,932 : x
  2. Step 2: Convert to fraction form
    12,008,538.08/18,012,694.48 = 5,189,932/x
  3. Step 3: Cross multiply
    12,008,538.08x = 18,012,694.48 × 5,189,932
  4. Step 4: Simplify right side
    12,008,538.08x = 93,484,659,487,975.36
  5. Step 5: Solve for x
    x = 93,484,659,487,975.36/12,008,538.08
  6. Step 6: Final answer
    x = 7,784,849.32

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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.