Home / 8,378,321.70-12,566,541.48-2,313,915.55

Finding the Fourth Proportional to 8,378,321.70, 12,566,541.48 and 2,313,915.55

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Solution

The fourth proportional to 8,378,321.70, 12,566,541.48 and 2,313,915.55 is: 3,470,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,321.70 : 12,566,541.48 = 2,313,915.55 : x
  2. Step 2: Convert to fraction form
    8,378,321.70/12,566,541.48 = 2,313,915.55/x
  3. Step 3: Cross multiply
    8,378,321.70x = 12,566,541.48 × 2,313,915.55
  4. Step 4: Simplify right side
    8,378,321.70x = 29,077,915,740,292.01
  5. Step 5: Solve for x
    x = 29,077,915,740,292.01/8,378,321.70
  6. Step 6: Final answer
    x = 3,470,613.42

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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.