Home / 12,197,832.66-16,832,852.12-6,970,780.86

Finding the Fourth Proportional to 12,197,832.66, 16,832,852.12 and 6,970,780.86

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Solution

The fourth proportional to 12,197,832.66, 16,832,852.12 and 6,970,780.86 is: 9,619,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,832.66 : 16,832,852.12 = 6,970,780.86 : x
  2. Step 2: Convert to fraction form
    12,197,832.66/16,832,852.12 = 6,970,780.86/x
  3. Step 3: Cross multiply
    12,197,832.66x = 16,832,852.12 × 6,970,780.86
  4. Step 4: Simplify right side
    12,197,832.66x = 117,338,123,377,306.44
  5. Step 5: Solve for x
    x = 117,338,123,377,306.44/12,197,832.66
  6. Step 6: Final answer
    x = 9,619,587.89

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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.