Home / 12,618,481.35-18,920,141.08-4,932,972.42

Finding the Fourth Proportional to 12,618,481.35, 18,920,141.08 and 4,932,972.42

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Solution

The fourth proportional to 12,618,481.35, 18,920,141.08 and 4,932,972.42 is: 7,396,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,481.35 : 18,920,141.08 = 4,932,972.42 : x
  2. Step 2: Convert to fraction form
    12,618,481.35/18,920,141.08 = 4,932,972.42/x
  3. Step 3: Cross multiply
    12,618,481.35x = 18,920,141.08 × 4,932,972.42
  4. Step 4: Simplify right side
    12,618,481.35x = 93,332,534,130,149
  5. Step 5: Solve for x
    x = 93,332,534,130,149/12,618,481.35
  6. Step 6: Final answer
    x = 7,396,494.99

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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.