Home / 28,748,305.26-39,672,455.86-15,695,563.77

Finding the Fourth Proportional to 28,748,305.26, 39,672,455.86 and 15,695,563.77

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Solution

The fourth proportional to 28,748,305.26, 39,672,455.86 and 15,695,563.77 is: 21,659,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,305.26 : 39,672,455.86 = 15,695,563.77 : x
  2. Step 2: Convert to fraction form
    28,748,305.26/39,672,455.86 = 15,695,563.77/x
  3. Step 3: Cross multiply
    28,748,305.26x = 39,672,455.86 × 15,695,563.77
  4. Step 4: Simplify right side
    28,748,305.26x = 622,681,560,863,140.12
  5. Step 5: Solve for x
    x = 622,681,560,863,140.12/28,748,305.26
  6. Step 6: Final answer
    x = 21,659,765.86

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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.