Home / 27,404,479.59-37,813,375.23-15,638,375.85

Finding the Fourth Proportional to 27,404,479.59, 37,813,375.23 and 15,638,375.85

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Solution

The fourth proportional to 27,404,479.59, 37,813,375.23 and 15,638,375.85 is: 21,578,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,404,479.59 : 37,813,375.23 = 15,638,375.85 : x
  2. Step 2: Convert to fraction form
    27,404,479.59/37,813,375.23 = 15,638,375.85/x
  3. Step 3: Cross multiply
    27,404,479.59x = 37,813,375.23 × 15,638,375.85
  4. Step 4: Simplify right side
    27,404,479.59x = 591,339,774,003,820.12
  5. Step 5: Solve for x
    x = 591,339,774,003,820.12/27,404,479.59
  6. Step 6: Final answer
    x = 21,578,215.78

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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.