Home / 8,176,820.20-12,251,452.20-6,464,399.20

Finding the Fourth Proportional to 8,176,820.20, 12,251,452.20 and 6,464,399.20

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Solution

The fourth proportional to 8,176,820.20, 12,251,452.20 and 6,464,399.20 is: 9,685,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,820.20 : 12,251,452.20 = 6,464,399.20 : x
  2. Step 2: Convert to fraction form
    8,176,820.20/12,251,452.20 = 6,464,399.20/x
  3. Step 3: Cross multiply
    8,176,820.20x = 12,251,452.20 × 6,464,399.20
  4. Step 4: Simplify right side
    8,176,820.20x = 79,198,277,800,518.23
  5. Step 5: Solve for x
    x = 79,198,277,800,518.23/8,176,820.20
  6. Step 6: Final answer
    x = 9,685,706.16

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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.