Home / 21,340,156.32-32,016,228.06-8,569,629.09

Finding the Fourth Proportional to 21,340,156.32, 32,016,228.06 and 8,569,629.09

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Solution

The fourth proportional to 21,340,156.32, 32,016,228.06 and 8,569,629.09 is: 12,856,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340,156.32 : 32,016,228.06 = 8,569,629.09 : x
  2. Step 2: Convert to fraction form
    21,340,156.32/32,016,228.06 = 8,569,629.09/x
  3. Step 3: Cross multiply
    21,340,156.32x = 32,016,228.06 × 8,569,629.09
  4. Step 4: Simplify right side
    21,340,156.32x = 274,367,199,335,050.25
  5. Step 5: Solve for x
    x = 274,367,199,335,050.25/21,340,156.32
  6. Step 6: Final answer
    x = 12,856,850.49

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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.