Home / 13,236,255.07-19,721,346.14-12,492,846.58

Finding the Fourth Proportional to 13,236,255.07, 19,721,346.14 and 12,492,846.58

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Solution

The fourth proportional to 13,236,255.07, 19,721,346.14 and 12,492,846.58 is: 18,613,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,255.07 : 19,721,346.14 = 12,492,846.58 : x
  2. Step 2: Convert to fraction form
    13,236,255.07/19,721,346.14 = 12,492,846.58/x
  3. Step 3: Cross multiply
    13,236,255.07x = 19,721,346.14 × 12,492,846.58
  4. Step 4: Simplify right side
    13,236,255.07x = 246,375,751,678,095.22
  5. Step 5: Solve for x
    x = 246,375,751,678,095.22/13,236,255.07
  6. Step 6: Final answer
    x = 18,613,705.34

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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.