Home / 5,384,450.20-8,081,081.70-5,342,459.80

Finding the Fourth Proportional to 5,384,450.20, 8,081,081.70 and 5,342,459.80

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Solution

The fourth proportional to 5,384,450.20, 8,081,081.70 and 5,342,459.80 is: 8,018,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,450.20 : 8,081,081.70 = 5,342,459.80 : x
  2. Step 2: Convert to fraction form
    5,384,450.20/8,081,081.70 = 5,342,459.80/x
  3. Step 3: Cross multiply
    5,384,450.20x = 8,081,081.70 × 5,342,459.80
  4. Step 4: Simplify right side
    5,384,450.20x = 43,172,854,122,765.66
  5. Step 5: Solve for x
    x = 43,172,854,122,765.66/5,384,450.20
  6. Step 6: Final answer
    x = 8,018,061.74

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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.