Home / 13,329,915.48-19,990,738.44-4,809,144.24

Finding the Fourth Proportional to 13,329,915.48, 19,990,738.44 and 4,809,144.24

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Solution

The fourth proportional to 13,329,915.48, 19,990,738.44 and 4,809,144.24 is: 7,212,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329,915.48 : 19,990,738.44 = 4,809,144.24 : x
  2. Step 2: Convert to fraction form
    13,329,915.48/19,990,738.44 = 4,809,144.24/x
  3. Step 3: Cross multiply
    13,329,915.48x = 19,990,738.44 × 4,809,144.24
  4. Step 4: Simplify right side
    13,329,915.48x = 96,138,344,622,072.59
  5. Step 5: Solve for x
    x = 96,138,344,622,072.59/13,329,915.48
  6. Step 6: Final answer
    x = 7,212,224.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.