Home / 8,322,865.20-12,484,297.80-2,643,663.60

Finding the Fourth Proportional to 8,322,865.20, 12,484,297.80 and 2,643,663.60

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Solution

The fourth proportional to 8,322,865.20, 12,484,297.80 and 2,643,663.60 is: 3,965,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322,865.20 : 12,484,297.80 = 2,643,663.60 : x
  2. Step 2: Convert to fraction form
    8,322,865.20/12,484,297.80 = 2,643,663.60/x
  3. Step 3: Cross multiply
    8,322,865.20x = 12,484,297.80 × 2,643,663.60
  4. Step 4: Simplify right side
    8,322,865.20x = 33,004,283,665,420.08
  5. Step 5: Solve for x
    x = 33,004,283,665,420.08/8,322,865.20
  6. Step 6: Final answer
    x = 3,965,495.40

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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.