Home / 13,200,479.66-19,800,735.28-3,615,940.82

Finding the Fourth Proportional to 13,200,479.66, 19,800,735.28 and 3,615,940.82

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Solution

The fourth proportional to 13,200,479.66, 19,800,735.28 and 3,615,940.82 is: 5,423,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,479.66 : 19,800,735.28 = 3,615,940.82 : x
  2. Step 2: Convert to fraction form
    13,200,479.66/19,800,735.28 = 3,615,940.82/x
  3. Step 3: Cross multiply
    13,200,479.66x = 19,800,735.28 × 3,615,940.82
  4. Step 4: Simplify right side
    13,200,479.66x = 71,598,286,964,966.12
  5. Step 5: Solve for x
    x = 71,598,286,964,966.12/13,200,479.66
  6. Step 6: Final answer
    x = 5,423,915.56

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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.