Home / 18,426,472.80-27,644,730.96-5,646,694.56

Finding the Fourth Proportional to 18,426,472.80, 27,644,730.96 and 5,646,694.56

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Solution

The fourth proportional to 18,426,472.80, 27,644,730.96 and 5,646,694.56 is: 8,471,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,472.80 : 27,644,730.96 = 5,646,694.56 : x
  2. Step 2: Convert to fraction form
    18,426,472.80/27,644,730.96 = 5,646,694.56/x
  3. Step 3: Cross multiply
    18,426,472.80x = 27,644,730.96 × 5,646,694.56
  4. Step 4: Simplify right side
    18,426,472.80x = 156,101,351,924,495.56
  5. Step 5: Solve for x
    x = 156,101,351,924,495.56/18,426,472.80
  6. Step 6: Final answer
    x = 8,471,580.73

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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.