Home / 10,778,015.20-16,171,299.60-4,388,735.20

Finding the Fourth Proportional to 10,778,015.20, 16,171,299.60 and 4,388,735.20

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Solution

The fourth proportional to 10,778,015.20, 16,171,299.60 and 4,388,735.20 is: 6,584,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,015.20 : 16,171,299.60 = 4,388,735.20 : x
  2. Step 2: Convert to fraction form
    10,778,015.20/16,171,299.60 = 4,388,735.20/x
  3. Step 3: Cross multiply
    10,778,015.20x = 16,171,299.60 × 4,388,735.20
  4. Step 4: Simplify right side
    10,778,015.20x = 70,971,551,784,265.92
  5. Step 5: Solve for x
    x = 70,971,551,784,265.92/10,778,015.20
  6. Step 6: Final answer
    x = 6,584,844.28

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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.