Home / 10,470,824.20-15,718,046.10-8,085,244.60

Finding the Fourth Proportional to 10,470,824.20, 15,718,046.10 and 8,085,244.60

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Solution

The fourth proportional to 10,470,824.20, 15,718,046.10 and 8,085,244.60 is: 12,136,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470,824.20 : 15,718,046.10 = 8,085,244.60 : x
  2. Step 2: Convert to fraction form
    10,470,824.20/15,718,046.10 = 8,085,244.60/x
  3. Step 3: Cross multiply
    10,470,824.20x = 15,718,046.10 × 8,085,244.60
  4. Step 4: Simplify right side
    10,470,824.20x = 127,084,247,352,576.05
  5. Step 5: Solve for x
    x = 127,084,247,352,576.05/10,470,824.20
  6. Step 6: Final answer
    x = 12,136,986.06

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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.