Home / 20,661,543.59-30,949,625.14-12,116,147.27

Finding the Fourth Proportional to 20,661,543.59, 30,949,625.14 and 12,116,147.27

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Solution

The fourth proportional to 20,661,543.59, 30,949,625.14 and 12,116,147.27 is: 18,149,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,543.59 : 30,949,625.14 = 12,116,147.27 : x
  2. Step 2: Convert to fraction form
    20,661,543.59/30,949,625.14 = 12,116,147.27/x
  3. Step 3: Cross multiply
    20,661,543.59x = 30,949,625.14 × 12,116,147.27
  4. Step 4: Simplify right side
    20,661,543.59x = 374,990,215,962,495.88
  5. Step 5: Solve for x
    x = 374,990,215,962,495.88/20,661,543.59
  6. Step 6: Final answer
    x = 18,149,186.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.