Home / 20,186,616.10-30,286,922.55-8,835,211.30

Finding the Fourth Proportional to 20,186,616.10, 30,286,922.55 and 8,835,211.30

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Solution

The fourth proportional to 20,186,616.10, 30,286,922.55 and 8,835,211.30 is: 13,255,879.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,616.10 : 30,286,922.55 = 8,835,211.30 : x
  2. Step 2: Convert to fraction form
    20,186,616.10/30,286,922.55 = 8,835,211.30/x
  3. Step 3: Cross multiply
    20,186,616.10x = 30,286,922.55 × 8,835,211.30
  4. Step 4: Simplify right side
    20,186,616.10x = 267,591,360,355,984.84
  5. Step 5: Solve for x
    x = 267,591,360,355,984.84/20,186,616.10
  6. Step 6: Final answer
    x = 13,255,879.99

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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.