Home / 28,517,379.56-39,353,992.82-15,464,634.56

Finding the Fourth Proportional to 28,517,379.56, 39,353,992.82 and 15,464,634.56

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Solution

The fourth proportional to 28,517,379.56, 39,353,992.82 and 15,464,634.56 is: 21,341,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,379.56 : 39,353,992.82 = 15,464,634.56 : x
  2. Step 2: Convert to fraction form
    28,517,379.56/39,353,992.82 = 15,464,634.56/x
  3. Step 3: Cross multiply
    28,517,379.56x = 39,353,992.82 × 15,464,634.56
  4. Step 4: Simplify right side
    28,517,379.56x = 608,595,117,438,163.88
  5. Step 5: Solve for x
    x = 608,595,117,438,163.88/28,517,379.56
  6. Step 6: Final answer
    x = 21,341,200.59

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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.