Home / 18,326,871.72-27,491,257.98-4,680,147.24

Finding the Fourth Proportional to 18,326,871.72, 27,491,257.98 and 4,680,147.24

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Solution

The fourth proportional to 18,326,871.72, 27,491,257.98 and 4,680,147.24 is: 7,020,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,871.72 : 27,491,257.98 = 4,680,147.24 : x
  2. Step 2: Convert to fraction form
    18,326,871.72/27,491,257.98 = 4,680,147.24/x
  3. Step 3: Cross multiply
    18,326,871.72x = 27,491,257.98 × 4,680,147.24
  4. Step 4: Simplify right side
    18,326,871.72x = 128,663,135,159,224.98
  5. Step 5: Solve for x
    x = 128,663,135,159,224.98/18,326,871.72
  6. Step 6: Final answer
    x = 7,020,463.56

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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.