Home / 12,755,736.90-19,133,605.35-12,259,725.30

Finding the Fourth Proportional to 12,755,736.90, 19,133,605.35 and 12,259,725.30

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Solution

The fourth proportional to 12,755,736.90, 19,133,605.35 and 12,259,725.30 is: 18,389,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,736.90 : 19,133,605.35 = 12,259,725.30 : x
  2. Step 2: Convert to fraction form
    12,755,736.90/19,133,605.35 = 12,259,725.30/x
  3. Step 3: Cross multiply
    12,755,736.90x = 19,133,605.35 × 12,259,725.30
  4. Step 4: Simplify right side
    12,755,736.90x = 234,572,745,589,610.38
  5. Step 5: Solve for x
    x = 234,572,745,589,610.38/12,755,736.90
  6. Step 6: Final answer
    x = 18,389,587.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.