Home / 15,509,310.82-21,403,007.33-8,540,636.40

Finding the Fourth Proportional to 15,509,310.82, 21,403,007.33 and 8,540,636.40

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Solution

The fourth proportional to 15,509,310.82, 21,403,007.33 and 8,540,636.40 is: 11,786,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509,310.82 : 21,403,007.33 = 8,540,636.40 : x
  2. Step 2: Convert to fraction form
    15,509,310.82/21,403,007.33 = 8,540,636.40/x
  3. Step 3: Cross multiply
    15,509,310.82x = 21,403,007.33 × 8,540,636.40
  4. Step 4: Simplify right side
    15,509,310.82x = 182,795,303,429,361.62
  5. Step 5: Solve for x
    x = 182,795,303,429,361.62/15,509,310.82
  6. Step 6: Final answer
    x = 11,786,165.46

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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.