Home / 8,140,478.40-12,207,174.66-4,094,440.92

Finding the Fourth Proportional to 8,140,478.40, 12,207,174.66 and 4,094,440.92

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Solution

The fourth proportional to 8,140,478.40, 12,207,174.66 and 4,094,440.92 is: 6,139,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,478.40 : 12,207,174.66 = 4,094,440.92 : x
  2. Step 2: Convert to fraction form
    8,140,478.40/12,207,174.66 = 4,094,440.92/x
  3. Step 3: Cross multiply
    8,140,478.40x = 12,207,174.66 × 4,094,440.92
  4. Step 4: Simplify right side
    8,140,478.40x = 49,981,555,445,491.09
  5. Step 5: Solve for x
    x = 49,981,555,445,491.09/8,140,478.40
  6. Step 6: Final answer
    x = 6,139,879.38

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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.