Home / 8,167,536.80-12,251,305.20-6,892,078.40

Finding the Fourth Proportional to 8,167,536.80, 12,251,305.20 and 6,892,078.40

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Solution

The fourth proportional to 8,167,536.80, 12,251,305.20 and 6,892,078.40 is: 10,338,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,536.80 : 12,251,305.20 = 6,892,078.40 : x
  2. Step 2: Convert to fraction form
    8,167,536.80/12,251,305.20 = 6,892,078.40/x
  3. Step 3: Cross multiply
    8,167,536.80x = 12,251,305.20 × 6,892,078.40
  4. Step 4: Simplify right side
    8,167,536.80x = 84,436,955,940,727.67
  5. Step 5: Solve for x
    x = 84,436,955,940,727.67/8,167,536.80
  6. Step 6: Final answer
    x = 10,338,117.60

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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.