Home / 13,891,453.52-19,166,742.96-8,012,885

Finding the Fourth Proportional to 13,891,453.52, 19,166,742.96 and 8,012,885

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Solution

The fourth proportional to 13,891,453.52, 19,166,742.96 and 8,012,885 is: 11,055,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,453.52 : 19,166,742.96 = 8,012,885 : x
  2. Step 2: Convert to fraction form
    13,891,453.52/19,166,742.96 = 8,012,885/x
  3. Step 3: Cross multiply
    13,891,453.52x = 19,166,742.96 × 8,012,885
  4. Step 4: Simplify right side
    13,891,453.52x = 153,580,907,163,039.59
  5. Step 5: Solve for x
    x = 153,580,907,163,039.59/13,891,453.52
  6. Step 6: Final answer
    x = 11,055,783.83

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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.