Home / 13,236,254.07-19,721,344.65-12,492,845.58

Finding the Fourth Proportional to 13,236,254.07, 19,721,344.65 and 12,492,845.58

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Solution

The fourth proportional to 13,236,254.07, 19,721,344.65 and 12,492,845.58 is: 18,613,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,254.07 : 19,721,344.65 = 12,492,845.58 : x
  2. Step 2: Convert to fraction form
    13,236,254.07/19,721,344.65 = 12,492,845.58/x
  3. Step 3: Cross multiply
    13,236,254.07x = 19,721,344.65 × 12,492,845.58
  4. Step 4: Simplify right side
    13,236,254.07x = 246,375,713,311,177.03
  5. Step 5: Solve for x
    x = 246,375,713,311,177.03/13,236,254.07
  6. Step 6: Final answer
    x = 18,613,703.85

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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.