Home / 6,961,311.21-9,606,464.64-3,863,652.78

Finding the Fourth Proportional to 6,961,311.21, 9,606,464.64 and 3,863,652.78

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Solution

The fourth proportional to 6,961,311.21, 9,606,464.64 and 3,863,652.78 is: 5,331,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961,311.21 : 9,606,464.64 = 3,863,652.78 : x
  2. Step 2: Convert to fraction form
    6,961,311.21/9,606,464.64 = 3,863,652.78/x
  3. Step 3: Cross multiply
    6,961,311.21x = 9,606,464.64 × 3,863,652.78
  4. Step 4: Simplify right side
    6,961,311.21x = 37,116,043,812,307.70
  5. Step 5: Solve for x
    x = 37,116,043,812,307.70/6,961,311.21
  6. Step 6: Final answer
    x = 5,331,760.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.