Home / 12,639,481.51-17,454,530.97-11,950,892.26

Finding the Fourth Proportional to 12,639,481.51, 17,454,530.97 and 11,950,892.26

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Solution

The fourth proportional to 12,639,481.51, 17,454,530.97 and 11,950,892.26 is: 16,503,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,481.51 : 17,454,530.97 = 11,950,892.26 : x
  2. Step 2: Convert to fraction form
    12,639,481.51/17,454,530.97 = 11,950,892.26/x
  3. Step 3: Cross multiply
    12,639,481.51x = 17,454,530.97 × 11,950,892.26
  4. Step 4: Simplify right side
    12,639,481.51x = 208,597,219,071,303.28
  5. Step 5: Solve for x
    x = 208,597,219,071,303.28/12,639,481.51
  6. Step 6: Final answer
    x = 16,503,621.52

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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.