Home / 20,046,935.78-30,043,203.76-8,517,946.58

Finding the Fourth Proportional to 20,046,935.78, 30,043,203.76 and 8,517,946.58

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Solution

The fourth proportional to 20,046,935.78, 30,043,203.76 and 8,517,946.58 is: 12,765,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046,935.78 : 30,043,203.76 = 8,517,946.58 : x
  2. Step 2: Convert to fraction form
    20,046,935.78/30,043,203.76 = 8,517,946.58/x
  3. Step 3: Cross multiply
    20,046,935.78x = 30,043,203.76 × 8,517,946.58
  4. Step 4: Simplify right side
    20,046,935.78x = 255,906,404,548,224.25
  5. Step 5: Solve for x
    x = 255,906,404,548,224.25/20,046,935.78
  6. Step 6: Final answer
    x = 12,765,362.62

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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.