Home / 9,121,521.78-12,601,372.48-5,989,216.84

Finding the Fourth Proportional to 9,121,521.78, 12,601,372.48 and 5,989,216.84

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Solution

The fourth proportional to 9,121,521.78, 12,601,372.48 and 5,989,216.84 is: 8,274,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,521.78 : 12,601,372.48 = 5,989,216.84 : x
  2. Step 2: Convert to fraction form
    9,121,521.78/12,601,372.48 = 5,989,216.84/x
  3. Step 3: Cross multiply
    9,121,521.78x = 12,601,372.48 × 5,989,216.84
  4. Step 4: Simplify right side
    9,121,521.78x = 75,472,352,217,852.09
  5. Step 5: Solve for x
    x = 75,472,352,217,852.09/9,121,521.78
  6. Step 6: Final answer
    x = 8,274,096.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.