Home / 13,301,142.75-19,951,714.13-3,203,763.75

Finding the Fourth Proportional to 13,301,142.75, 19,951,714.13 and 3,203,763.75

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Solution

The fourth proportional to 13,301,142.75, 19,951,714.13 and 3,203,763.75 is: 4,805,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,142.75 : 19,951,714.13 = 3,203,763.75 : x
  2. Step 2: Convert to fraction form
    13,301,142.75/19,951,714.13 = 3,203,763.75/x
  3. Step 3: Cross multiply
    13,301,142.75x = 19,951,714.13 × 3,203,763.75
  4. Step 4: Simplify right side
    13,301,142.75x = 63,920,578,464,037.97
  5. Step 5: Solve for x
    x = 63,920,578,464,037.97/13,301,142.75
  6. Step 6: Final answer
    x = 4,805,645.63

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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.