Home / 14,919,190.97-20,577,385.60-13,173,780.96

Finding the Fourth Proportional to 14,919,190.97, 20,577,385.60 and 13,173,780.96

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Solution

The fourth proportional to 14,919,190.97, 20,577,385.60 and 13,173,780.96 is: 18,170,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,190.97 : 20,577,385.60 = 13,173,780.96 : x
  2. Step 2: Convert to fraction form
    14,919,190.97/20,577,385.60 = 13,173,780.96/x
  3. Step 3: Cross multiply
    14,919,190.97x = 20,577,385.60 × 13,173,780.96
  4. Step 4: Simplify right side
    14,919,190.97x = 271,081,970,590,923.75
  5. Step 5: Solve for x
    x = 271,081,970,590,923.75/14,919,190.97
  6. Step 6: Final answer
    x = 18,170,018.15

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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.