Home / 39,040,687.32-53,876,153.52-21,638,156.04

Finding the Fourth Proportional to 39,040,687.32, 53,876,153.52 and 21,638,156.04

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Solution

The fourth proportional to 39,040,687.32, 53,876,153.52 and 21,638,156.04 is: 29,860,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040,687.32 : 53,876,153.52 = 21,638,156.04 : x
  2. Step 2: Convert to fraction form
    39,040,687.32/53,876,153.52 = 21,638,156.04/x
  3. Step 3: Cross multiply
    39,040,687.32x = 53,876,153.52 × 21,638,156.04
  4. Step 4: Simplify right side
    39,040,687.32x = 1,165,780,616,700,755.25
  5. Step 5: Solve for x
    x = 1,165,780,616,700,755.25/39,040,687.32
  6. Step 6: Final answer
    x = 29,860,658.12

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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.