Home / 7,966,478.72-11,949,725.28-3,414,573.60

Finding the Fourth Proportional to 7,966,478.72, 11,949,725.28 and 3,414,573.60

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Solution

The fourth proportional to 7,966,478.72, 11,949,725.28 and 3,414,573.60 is: 5,121,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966,478.72 : 11,949,725.28 = 3,414,573.60 : x
  2. Step 2: Convert to fraction form
    7,966,478.72/11,949,725.28 = 3,414,573.60/x
  3. Step 3: Cross multiply
    7,966,478.72x = 11,949,725.28 × 3,414,573.60
  4. Step 4: Simplify right side
    7,966,478.72x = 40,803,216,468,340.61
  5. Step 5: Solve for x
    x = 40,803,216,468,340.61/7,966,478.72
  6. Step 6: Final answer
    x = 5,121,863.49

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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.