Home / 20,341,718.55-30,512,577.83-12,263,815.35

Finding the Fourth Proportional to 20,341,718.55, 30,512,577.83 and 12,263,815.35

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Solution

The fourth proportional to 20,341,718.55, 30,512,577.83 and 12,263,815.35 is: 18,395,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341,718.55 : 30,512,577.83 = 12,263,815.35 : x
  2. Step 2: Convert to fraction form
    20,341,718.55/30,512,577.83 = 12,263,815.35/x
  3. Step 3: Cross multiply
    20,341,718.55x = 30,512,577.83 × 12,263,815.35
  4. Step 4: Simplify right side
    20,341,718.55x = 374,200,620,298,304.56
  5. Step 5: Solve for x
    x = 374,200,620,298,304.56/20,341,718.55
  6. Step 6: Final answer
    x = 18,395,723.03

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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.