Home / 18,441,016.80-27,653,230.80-7,077,688.80

Finding the Fourth Proportional to 18,441,016.80, 27,653,230.80 and 7,077,688.80

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Solution

The fourth proportional to 18,441,016.80, 27,653,230.80 and 7,077,688.80 is: 10,613,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,016.80 : 27,653,230.80 = 7,077,688.80 : x
  2. Step 2: Convert to fraction form
    18,441,016.80/27,653,230.80 = 7,077,688.80/x
  3. Step 3: Cross multiply
    18,441,016.80x = 27,653,230.80 × 7,077,688.80
  4. Step 4: Simplify right side
    18,441,016.80x = 195,720,961,916,975.03
  5. Step 5: Solve for x
    x = 195,720,961,916,975.03/18,441,016.80
  6. Step 6: Final answer
    x = 10,613,349.80

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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.