Home / 13,894,394.51-19,131,463.23-12,342,965.87

Finding the Fourth Proportional to 13,894,394.51, 19,131,463.23 and 12,342,965.87

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Solution

The fourth proportional to 13,894,394.51, 19,131,463.23 and 12,342,965.87 is: 16,995,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894,394.51 : 19,131,463.23 = 12,342,965.87 : x
  2. Step 2: Convert to fraction form
    13,894,394.51/19,131,463.23 = 12,342,965.87/x
  3. Step 3: Cross multiply
    13,894,394.51x = 19,131,463.23 × 12,342,965.87
  4. Step 4: Simplify right side
    13,894,394.51x = 236,138,997,691,049.94
  5. Step 5: Solve for x
    x = 236,138,997,691,049.94/13,894,394.51
  6. Step 6: Final answer
    x = 16,995,270.83

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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.