Home / 8,979,139.57-13,465,871.44-3,221,744.53

Finding the Fourth Proportional to 8,979,139.57, 13,465,871.44 and 3,221,744.53

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Solution

The fourth proportional to 8,979,139.57, 13,465,871.44 and 3,221,744.53 is: 4,831,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,139.57 : 13,465,871.44 = 3,221,744.53 : x
  2. Step 2: Convert to fraction form
    8,979,139.57/13,465,871.44 = 3,221,744.53/x
  3. Step 3: Cross multiply
    8,979,139.57x = 13,465,871.44 × 3,221,744.53
  4. Step 4: Simplify right side
    8,979,139.57x = 43,383,597,653,503.22
  5. Step 5: Solve for x
    x = 43,383,597,653,503.22/8,979,139.57
  6. Step 6: Final answer
    x = 4,831,598.54

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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.