Home / 28,135,584.69-38,826,272.70-15,577,198.86

Finding the Fourth Proportional to 28,135,584.69, 38,826,272.70 and 15,577,198.86

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Solution

The fourth proportional to 28,135,584.69, 38,826,272.70 and 15,577,198.86 is: 21,496,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,584.69 : 38,826,272.70 = 15,577,198.86 : x
  2. Step 2: Convert to fraction form
    28,135,584.69/38,826,272.70 = 15,577,198.86/x
  3. Step 3: Cross multiply
    28,135,584.69x = 38,826,272.70 × 15,577,198.86
  4. Step 4: Simplify right side
    28,135,584.69x = 604,804,570,840,489.12
  5. Step 5: Solve for x
    x = 604,804,570,840,489.12/28,135,584.69
  6. Step 6: Final answer
    x = 21,496,072.59

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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.