Home / 13,236,253.82-19,721,344.28-12,492,845.33

Finding the Fourth Proportional to 13,236,253.82, 19,721,344.28 and 12,492,845.33

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Solution

The fourth proportional to 13,236,253.82, 19,721,344.28 and 12,492,845.33 is: 18,613,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,253.82 : 19,721,344.28 = 12,492,845.33 : x
  2. Step 2: Convert to fraction form
    13,236,253.82/19,721,344.28 = 12,492,845.33/x
  3. Step 3: Cross multiply
    13,236,253.82x = 19,721,344.28 × 12,492,845.33
  4. Step 4: Simplify right side
    13,236,253.82x = 246,375,703,727,255.97
  5. Step 5: Solve for x
    x = 246,375,703,727,255.97/13,236,253.82
  6. Step 6: Final answer
    x = 18,613,703.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.