Home / 13,727,669.49-18,944,690.09-8,294,111.73

Finding the Fourth Proportional to 13,727,669.49, 18,944,690.09 and 8,294,111.73

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Solution

The fourth proportional to 13,727,669.49, 18,944,690.09 and 8,294,111.73 is: 11,446,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727,669.49 : 18,944,690.09 = 8,294,111.73 : x
  2. Step 2: Convert to fraction form
    13,727,669.49/18,944,690.09 = 8,294,111.73/x
  3. Step 3: Cross multiply
    13,727,669.49x = 18,944,690.09 × 8,294,111.73
  4. Step 4: Simplify right side
    13,727,669.49x = 157,129,376,255,213.22
  5. Step 5: Solve for x
    x = 157,129,376,255,213.22/13,727,669.49
  6. Step 6: Final answer
    x = 11,446,180.02

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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.