Home / 15,728,791.28-21,709,272.28-10,293,134

Finding the Fourth Proportional to 15,728,791.28, 21,709,272.28 and 10,293,134

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Solution

The fourth proportional to 15,728,791.28, 21,709,272.28 and 10,293,134 is: 14,206,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728,791.28 : 21,709,272.28 = 10,293,134 : x
  2. Step 2: Convert to fraction form
    15,728,791.28/21,709,272.28 = 10,293,134/x
  3. Step 3: Cross multiply
    15,728,791.28x = 21,709,272.28 × 10,293,134
  4. Step 4: Simplify right side
    15,728,791.28x = 223,456,448,620,525.53
  5. Step 5: Solve for x
    x = 223,456,448,620,525.53/15,728,791.28
  6. Step 6: Final answer
    x = 14,206,841.75

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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.