Home / 13,236,253.75-19,721,344.19-12,492,845.27

Finding the Fourth Proportional to 13,236,253.75, 19,721,344.19 and 12,492,845.27

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Solution

The fourth proportional to 13,236,253.75, 19,721,344.19 and 12,492,845.27 is: 18,613,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,253.75 : 19,721,344.19 = 12,492,845.27 : x
  2. Step 2: Convert to fraction form
    13,236,253.75/19,721,344.19 = 12,492,845.27/x
  3. Step 3: Cross multiply
    13,236,253.75x = 19,721,344.19 × 12,492,845.27
  4. Step 4: Simplify right side
    13,236,253.75x = 246,375,701,482,083.50
  5. Step 5: Solve for x
    x = 246,375,701,482,083.50/13,236,253.75
  6. Step 6: Final answer
    x = 18,613,703.40

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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.