Home / 18,146,427.20-27,219,640.80-8,068,731.20

Finding the Fourth Proportional to 18,146,427.20, 27,219,640.80 and 8,068,731.20

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Solution

The fourth proportional to 18,146,427.20, 27,219,640.80 and 8,068,731.20 is: 12,103,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,427.20 : 27,219,640.80 = 8,068,731.20 : x
  2. Step 2: Convert to fraction form
    18,146,427.20/27,219,640.80 = 8,068,731.20/x
  3. Step 3: Cross multiply
    18,146,427.20x = 27,219,640.80 × 8,068,731.20
  4. Step 4: Simplify right side
    18,146,427.20x = 219,627,964,975,752.97
  5. Step 5: Solve for x
    x = 219,627,964,975,752.97/18,146,427.20
  6. Step 6: Final answer
    x = 12,103,096.80

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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.