Home / 21,653,771.34-29,874,847.92-12,354,661.01

Finding the Fourth Proportional to 21,653,771.34, 29,874,847.92 and 12,354,661.01

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Solution

The fourth proportional to 21,653,771.34, 29,874,847.92 and 12,354,661.01 is: 17,045,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653,771.34 : 29,874,847.92 = 12,354,661.01 : x
  2. Step 2: Convert to fraction form
    21,653,771.34/29,874,847.92 = 12,354,661.01/x
  3. Step 3: Cross multiply
    21,653,771.34x = 29,874,847.92 × 12,354,661.01
  4. Step 4: Simplify right side
    21,653,771.34x = 369,093,618,805,260.75
  5. Step 5: Solve for x
    x = 369,093,618,805,260.75/21,653,771.34
  6. Step 6: Final answer
    x = 17,045,234.89

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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.