Home / 8,128,019.61-12,183,495.26-2,734,797.69

Finding the Fourth Proportional to 8,128,019.61, 12,183,495.26 and 2,734,797.69

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Solution

The fourth proportional to 8,128,019.61, 12,183,495.26 and 2,734,797.69 is: 4,099,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,019.61 : 12,183,495.26 = 2,734,797.69 : x
  2. Step 2: Convert to fraction form
    8,128,019.61/12,183,495.26 = 2,734,797.69/x
  3. Step 3: Cross multiply
    8,128,019.61x = 12,183,495.26 × 2,734,797.69
  4. Step 4: Simplify right side
    8,128,019.61x = 33,319,394,679,499.96
  5. Step 5: Solve for x
    x = 33,319,394,679,499.96/8,128,019.61
  6. Step 6: Final answer
    x = 4,099,325.09

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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.