Home / 10,368,021.70-15,552,032.55-8,203,183.30

Finding the Fourth Proportional to 10,368,021.70, 15,552,032.55 and 8,203,183.30

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Solution

The fourth proportional to 10,368,021.70, 15,552,032.55 and 8,203,183.30 is: 12,304,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,021.70 : 15,552,032.55 = 8,203,183.30 : x
  2. Step 2: Convert to fraction form
    10,368,021.70/15,552,032.55 = 8,203,183.30/x
  3. Step 3: Cross multiply
    10,368,021.70x = 15,552,032.55 × 8,203,183.30
  4. Step 4: Simplify right side
    10,368,021.70x = 127,576,173,695,216.42
  5. Step 5: Solve for x
    x = 127,576,173,695,216.42/10,368,021.70
  6. Step 6: Final answer
    x = 12,304,774.95

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Similar ratio
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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.