Home / 28,700,452.98-39,606,613.74-15,647,722.56

Finding the Fourth Proportional to 28,700,452.98, 39,606,613.74 and 15,647,722.56

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Solution

The fourth proportional to 28,700,452.98, 39,606,613.74 and 15,647,722.56 is: 21,593,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,452.98 : 39,606,613.74 = 15,647,722.56 : x
  2. Step 2: Convert to fraction form
    28,700,452.98/39,606,613.74 = 15,647,722.56/x
  3. Step 3: Cross multiply
    28,700,452.98x = 39,606,613.74 × 15,647,722.56
  4. Step 4: Simplify right side
    28,700,452.98x = 619,753,303,344,604
  5. Step 5: Solve for x
    x = 619,753,303,344,604/28,700,452.98
  6. Step 6: Final answer
    x = 21,593,850.93

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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.