Home / 12,424,300.80-18,640,936.32-4,338,468.48

Finding the Fourth Proportional to 12,424,300.80, 18,640,936.32 and 4,338,468.48

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Solution

The fourth proportional to 12,424,300.80, 18,640,936.32 and 4,338,468.48 is: 6,509,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424,300.80 : 18,640,936.32 = 4,338,468.48 : x
  2. Step 2: Convert to fraction form
    12,424,300.80/18,640,936.32 = 4,338,468.48/x
  3. Step 3: Cross multiply
    12,424,300.80x = 18,640,936.32 × 4,338,468.48
  4. Step 4: Simplify right side
    12,424,300.80x = 80,873,114,662,007.20
  5. Step 5: Solve for x
    x = 80,873,114,662,007.20/12,424,300.80
  6. Step 6: Final answer
    x = 6,509,268.89

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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.