Home / 21,694,173.38-32,550,384.72-13,503,662.76

Finding the Fourth Proportional to 21,694,173.38, 32,550,384.72 and 13,503,662.76

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Solution

The fourth proportional to 21,694,173.38, 32,550,384.72 and 13,503,662.76 is: 20,261,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,173.38 : 32,550,384.72 = 13,503,662.76 : x
  2. Step 2: Convert to fraction form
    21,694,173.38/32,550,384.72 = 13,503,662.76/x
  3. Step 3: Cross multiply
    21,694,173.38x = 32,550,384.72 × 13,503,662.76
  4. Step 4: Simplify right side
    21,694,173.38x = 439,549,417,967,137
  5. Step 5: Solve for x
    x = 439,549,417,967,137/21,694,173.38
  6. Step 6: Final answer
    x = 20,261,173.83

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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.