Home / 28,667,708-39,561,437.04-15,790,652

Finding the Fourth Proportional to 28,667,708, 39,561,437.04 and 15,790,652

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Solution

The fourth proportional to 28,667,708, 39,561,437.04 and 15,790,652 is: 21,791,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667,708 : 39,561,437.04 = 15,790,652 : x
  2. Step 2: Convert to fraction form
    28,667,708/39,561,437.04 = 15,790,652/x
  3. Step 3: Cross multiply
    28,667,708x = 39,561,437.04 × 15,790,652
  4. Step 4: Simplify right side
    28,667,708x = 624,700,884,918,550.12
  5. Step 5: Solve for x
    x = 624,700,884,918,550.12/28,667,708
  6. Step 6: Final answer
    x = 21,791,099.76

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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.