Home / 12,513,764.45-17,268,994.94-6,790,628.45

Finding the Fourth Proportional to 12,513,764.45, 17,268,994.94 and 6,790,628.45

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Solution

The fourth proportional to 12,513,764.45, 17,268,994.94 and 6,790,628.45 is: 9,371,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,764.45 : 17,268,994.94 = 6,790,628.45 : x
  2. Step 2: Convert to fraction form
    12,513,764.45/17,268,994.94 = 6,790,628.45/x
  3. Step 3: Cross multiply
    12,513,764.45x = 17,268,994.94 × 6,790,628.45
  4. Step 4: Simplify right side
    12,513,764.45x = 117,267,328,222,171.92
  5. Step 5: Solve for x
    x = 117,267,328,222,171.92/12,513,764.45
  6. Step 6: Final answer
    x = 9,371,067.25

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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.