Home / 13,236,254.82-19,721,345.76-12,492,846.33

Finding the Fourth Proportional to 13,236,254.82, 19,721,345.76 and 12,492,846.33

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Solution

The fourth proportional to 13,236,254.82, 19,721,345.76 and 12,492,846.33 is: 18,613,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,254.82 : 19,721,345.76 = 12,492,846.33 : x
  2. Step 2: Convert to fraction form
    13,236,254.82/19,721,345.76 = 12,492,846.33/x
  3. Step 3: Cross multiply
    13,236,254.82x = 19,721,345.76 × 12,492,846.33
  4. Step 4: Simplify right side
    13,236,254.82x = 246,375,742,000,477.09
  5. Step 5: Solve for x
    x = 246,375,742,000,477.09/13,236,254.82
  6. Step 6: Final answer
    x = 18,613,704.96

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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.