Home / 12,313,899.60-16,993,067.40-6,807,616.80

Finding the Fourth Proportional to 12,313,899.60, 16,993,067.40 and 6,807,616.80

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Solution

The fourth proportional to 12,313,899.60, 16,993,067.40 and 6,807,616.80 is: 9,394,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,899.60 : 16,993,067.40 = 6,807,616.80 : x
  2. Step 2: Convert to fraction form
    12,313,899.60/16,993,067.40 = 6,807,616.80/x
  3. Step 3: Cross multiply
    12,313,899.60x = 16,993,067.40 × 6,807,616.80
  4. Step 4: Simplify right side
    12,313,899.60x = 115,682,291,115,772.31
  5. Step 5: Solve for x
    x = 115,682,291,115,772.31/12,313,899.60
  6. Step 6: Final answer
    x = 9,394,448.13

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1.5x scale

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.