Home / 12,311,118-18,466,939.44-4,224,058.56

Finding the Fourth Proportional to 12,311,118, 18,466,939.44 and 4,224,058.56

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Solution

The fourth proportional to 12,311,118, 18,466,939.44 and 4,224,058.56 is: 6,336,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,118 : 18,466,939.44 = 4,224,058.56 : x
  2. Step 2: Convert to fraction form
    12,311,118/18,466,939.44 = 4,224,058.56/x
  3. Step 3: Cross multiply
    12,311,118x = 18,466,939.44 × 4,224,058.56
  4. Step 4: Simplify right side
    12,311,118x = 78,005,433,618,533.61
  5. Step 5: Solve for x
    x = 78,005,433,618,533.61/12,311,118
  6. Step 6: Final answer
    x = 6,336,177.89

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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.