Home / 18,479,866.56-25,505,362.44-10,749,390

Finding the Fourth Proportional to 18,479,866.56, 25,505,362.44 and 10,749,390

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Solution

The fourth proportional to 18,479,866.56, 25,505,362.44 and 10,749,390 is: 14,835,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479,866.56 : 25,505,362.44 = 10,749,390 : x
  2. Step 2: Convert to fraction form
    18,479,866.56/25,505,362.44 = 10,749,390/x
  3. Step 3: Cross multiply
    18,479,866.56x = 25,505,362.44 × 10,749,390
  4. Step 4: Simplify right side
    18,479,866.56x = 274,167,087,958,911.62
  5. Step 5: Solve for x
    x = 274,167,087,958,911.62/18,479,866.56
  6. Step 6: Final answer
    x = 14,835,988.51

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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.