Home / 11,628,085.50-17,445,794.04-5,479,818.78

Finding the Fourth Proportional to 11,628,085.50, 17,445,794.04 and 5,479,818.78

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Solution

The fourth proportional to 11,628,085.50, 17,445,794.04 and 5,479,818.78 is: 8,221,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628,085.50 : 17,445,794.04 = 5,479,818.78 : x
  2. Step 2: Convert to fraction form
    11,628,085.50/17,445,794.04 = 5,479,818.78/x
  3. Step 3: Cross multiply
    11,628,085.50x = 17,445,794.04 × 5,479,818.78
  4. Step 4: Simplify right side
    11,628,085.50x = 95,599,789,812,404.08
  5. Step 5: Solve for x
    x = 95,599,789,812,404.08/11,628,085.50
  6. Step 6: Final answer
    x = 8,221,455.70

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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.