Home / 8,673,915.20-13,001,541.60-3,280,481.60

Finding the Fourth Proportional to 8,673,915.20, 13,001,541.60 and 3,280,481.60

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Solution

The fourth proportional to 8,673,915.20, 13,001,541.60 and 3,280,481.60 is: 4,917,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673,915.20 : 13,001,541.60 = 3,280,481.60 : x
  2. Step 2: Convert to fraction form
    8,673,915.20/13,001,541.60 = 3,280,481.60/x
  3. Step 3: Cross multiply
    8,673,915.20x = 13,001,541.60 × 3,280,481.60
  4. Step 4: Simplify right side
    8,673,915.20x = 42,651,317,990,434.56
  5. Step 5: Solve for x
    x = 42,651,317,990,434.56/8,673,915.20
  6. Step 6: Final answer
    x = 4,917,193.33

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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.