Home / 21,151,512.62-29,189,518.72-11,494,342.70

Finding the Fourth Proportional to 21,151,512.62, 29,189,518.72 and 11,494,342.70

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Solution

The fourth proportional to 21,151,512.62, 29,189,518.72 and 11,494,342.70 is: 15,862,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151,512.62 : 29,189,518.72 = 11,494,342.70 : x
  2. Step 2: Convert to fraction form
    21,151,512.62/29,189,518.72 = 11,494,342.70/x
  3. Step 3: Cross multiply
    21,151,512.62x = 29,189,518.72 × 11,494,342.70
  4. Step 4: Simplify right side
    21,151,512.62x = 335,514,331,241,061.94
  5. Step 5: Solve for x
    x = 335,514,331,241,061.94/21,151,512.62
  6. Step 6: Final answer
    x = 15,862,427.30

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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.