Home / 8,451,969.36-12,678,726.78-2,386,791.42

Finding the Fourth Proportional to 8,451,969.36, 12,678,726.78 and 2,386,791.42

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Solution

The fourth proportional to 8,451,969.36, 12,678,726.78 and 2,386,791.42 is: 3,580,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451,969.36 : 12,678,726.78 = 2,386,791.42 : x
  2. Step 2: Convert to fraction form
    8,451,969.36/12,678,726.78 = 2,386,791.42/x
  3. Step 3: Cross multiply
    8,451,969.36x = 12,678,726.78 × 2,386,791.42
  4. Step 4: Simplify right side
    8,451,969.36x = 30,261,476,295,028.23
  5. Step 5: Solve for x
    x = 30,261,476,295,028.23/8,451,969.36
  6. Step 6: Final answer
    x = 3,580,405.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.