Home / 19,040,910.66-28,561,878.05-5,392,647.74

Finding the Fourth Proportional to 19,040,910.66, 28,561,878.05 and 5,392,647.74

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Solution

The fourth proportional to 19,040,910.66, 28,561,878.05 and 5,392,647.74 is: 8,089,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040,910.66 : 28,561,878.05 = 5,392,647.74 : x
  2. Step 2: Convert to fraction form
    19,040,910.66/28,561,878.05 = 5,392,647.74/x
  3. Step 3: Cross multiply
    19,040,910.66x = 28,561,878.05 × 5,392,647.74
  4. Step 4: Simplify right side
    19,040,910.66x = 154,024,146,946,715.50
  5. Step 5: Solve for x
    x = 154,024,146,946,715.50/19,040,910.66
  6. Step 6: Final answer
    x = 8,089,116.62

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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.