Home / 13,236,254.75-19,721,345.68-12,492,846.27

Finding the Fourth Proportional to 13,236,254.75, 19,721,345.68 and 12,492,846.27

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Solution

The fourth proportional to 13,236,254.75, 19,721,345.68 and 12,492,846.27 is: 18,613,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,254.75 : 19,721,345.68 = 12,492,846.27 : x
  2. Step 2: Convert to fraction form
    13,236,254.75/19,721,345.68 = 12,492,846.27/x
  3. Step 3: Cross multiply
    13,236,254.75x = 19,721,345.68 × 12,492,846.27
  4. Step 4: Simplify right side
    13,236,254.75x = 246,375,739,817,768.59
  5. Step 5: Solve for x
    x = 246,375,739,817,768.59/13,236,254.75
  6. Step 6: Final answer
    x = 18,613,704.89

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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.