Home / 28,405,861.58-39,200,858.82-17,392,401.74

Finding the Fourth Proportional to 28,405,861.58, 39,200,858.82 and 17,392,401.74

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Solution

The fourth proportional to 28,405,861.58, 39,200,858.82 and 17,392,401.74 is: 24,001,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,861.58 : 39,200,858.82 = 17,392,401.74 : x
  2. Step 2: Convert to fraction form
    28,405,861.58/39,200,858.82 = 17,392,401.74/x
  3. Step 3: Cross multiply
    28,405,861.58x = 39,200,858.82 × 17,392,401.74
  4. Step 4: Simplify right side
    28,405,861.58x = 681,797,084,954,458
  5. Step 5: Solve for x
    x = 681,797,084,954,458/28,405,861.58
  6. Step 6: Final answer
    x = 24,001,985.76

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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.