Home / 8,180,890.62-11,310,036.39-6,140,157.18

Finding the Fourth Proportional to 8,180,890.62, 11,310,036.39 and 6,140,157.18

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Solution

The fourth proportional to 8,180,890.62, 11,310,036.39 and 6,140,157.18 is: 8,488,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,890.62 : 11,310,036.39 = 6,140,157.18 : x
  2. Step 2: Convert to fraction form
    8,180,890.62/11,310,036.39 = 6,140,157.18/x
  3. Step 3: Cross multiply
    8,180,890.62x = 11,310,036.39 × 6,140,157.18
  4. Step 4: Simplify right side
    8,180,890.62x = 69,445,401,146,119.78
  5. Step 5: Solve for x
    x = 69,445,401,146,119.78/8,180,890.62
  6. Step 6: Final answer
    x = 8,488,733.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.