Home / 8,579,280.36-12,868,910.19-2,189,533.44

Finding the Fourth Proportional to 8,579,280.36, 12,868,910.19 and 2,189,533.44

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Solution

The fourth proportional to 8,579,280.36, 12,868,910.19 and 2,189,533.44 is: 3,284,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,280.36 : 12,868,910.19 = 2,189,533.44 : x
  2. Step 2: Convert to fraction form
    8,579,280.36/12,868,910.19 = 2,189,533.44/x
  3. Step 3: Cross multiply
    8,579,280.36x = 12,868,910.19 × 2,189,533.44
  4. Step 4: Simplify right side
    8,579,280.36x = 28,176,909,197,361.75
  5. Step 5: Solve for x
    x = 28,176,909,197,361.75/8,579,280.36
  6. Step 6: Final answer
    x = 3,284,297.52

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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.