Home / 8,778,406.20-13,166,278.83-2,389,156.44

Finding the Fourth Proportional to 8,778,406.20, 13,166,278.83 and 2,389,156.44

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Solution

The fourth proportional to 8,778,406.20, 13,166,278.83 and 2,389,156.44 is: 3,583,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,406.20 : 13,166,278.83 = 2,389,156.44 : x
  2. Step 2: Convert to fraction form
    8,778,406.20/13,166,278.83 = 2,389,156.44/x
  3. Step 3: Cross multiply
    8,778,406.20x = 13,166,278.83 × 2,389,156.44
  4. Step 4: Simplify right side
    8,778,406.20x = 31,456,299,857,530.16
  5. Step 5: Solve for x
    x = 31,456,299,857,530.16/8,778,406.20
  6. Step 6: Final answer
    x = 3,583,372.56

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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.