Home / 8,102,623.52-12,162,499.31-7,919,653.64

Finding the Fourth Proportional to 8,102,623.52, 12,162,499.31 and 7,919,653.64

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Solution

The fourth proportional to 8,102,623.52, 12,162,499.31 and 7,919,653.64 is: 11,887,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,623.52 : 12,162,499.31 = 7,919,653.64 : x
  2. Step 2: Convert to fraction form
    8,102,623.52/12,162,499.31 = 7,919,653.64/x
  3. Step 3: Cross multiply
    8,102,623.52x = 12,162,499.31 × 7,919,653.64
  4. Step 4: Simplify right side
    8,102,623.52x = 96,322,781,890,925.62
  5. Step 5: Solve for x
    x = 96,322,781,890,925.62/8,102,623.52
  6. Step 6: Final answer
    x = 11,887,851.09

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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.