Home / 18,430,304.31-27,645,358.05-4,783,440.78

Finding the Fourth Proportional to 18,430,304.31, 27,645,358.05 and 4,783,440.78

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Solution

The fourth proportional to 18,430,304.31, 27,645,358.05 and 4,783,440.78 is: 7,175,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,304.31 : 27,645,358.05 = 4,783,440.78 : x
  2. Step 2: Convert to fraction form
    18,430,304.31/27,645,358.05 = 4,783,440.78/x
  3. Step 3: Cross multiply
    18,430,304.31x = 27,645,358.05 × 4,783,440.78
  4. Step 4: Simplify right side
    18,430,304.31x = 132,239,933,074,071.30
  5. Step 5: Solve for x
    x = 132,239,933,074,071.30/18,430,304.31
  6. Step 6: Final answer
    x = 7,175,135.63

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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.