Home / 20,197,552.43-30,341,168.82-12,526,865.88

Finding the Fourth Proportional to 20,197,552.43, 30,341,168.82 and 12,526,865.88

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Solution

The fourth proportional to 20,197,552.43, 30,341,168.82 and 12,526,865.88 is: 18,818,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,552.43 : 30,341,168.82 = 12,526,865.88 : x
  2. Step 2: Convert to fraction form
    20,197,552.43/30,341,168.82 = 12,526,865.88/x
  3. Step 3: Cross multiply
    20,197,552.43x = 30,341,168.82 × 12,526,865.88
  4. Step 4: Simplify right side
    20,197,552.43x = 380,079,752,450,577.88
  5. Step 5: Solve for x
    x = 380,079,752,450,577.88/20,197,552.43
  6. Step 6: Final answer
    x = 18,818,109.46

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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.