Home / 8,121,690.72-12,176,210.62-4,020,180.66

Finding the Fourth Proportional to 8,121,690.72, 12,176,210.62 and 4,020,180.66

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Solution

The fourth proportional to 8,121,690.72, 12,176,210.62 and 4,020,180.66 is: 6,027,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,690.72 : 12,176,210.62 = 4,020,180.66 : x
  2. Step 2: Convert to fraction form
    8,121,690.72/12,176,210.62 = 4,020,180.66/x
  3. Step 3: Cross multiply
    8,121,690.72x = 12,176,210.62 × 4,020,180.66
  4. Step 4: Simplify right side
    8,121,690.72x = 48,950,566,451,635.84
  5. Step 5: Solve for x
    x = 48,950,566,451,635.84/8,121,690.72
  6. Step 6: Final answer
    x = 6,027,139.93

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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.