Home / 14,229,120.78-19,638,511.83-8,725,524.75

Finding the Fourth Proportional to 14,229,120.78, 19,638,511.83 and 8,725,524.75

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Solution

The fourth proportional to 14,229,120.78, 19,638,511.83 and 8,725,524.75 is: 12,042,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,120.78 : 19,638,511.83 = 8,725,524.75 : x
  2. Step 2: Convert to fraction form
    14,229,120.78/19,638,511.83 = 8,725,524.75/x
  3. Step 3: Cross multiply
    14,229,120.78x = 19,638,511.83 × 8,725,524.75
  4. Step 4: Simplify right side
    14,229,120.78x = 171,356,321,025,832.78
  5. Step 5: Solve for x
    x = 171,356,321,025,832.78/14,229,120.78
  6. Step 6: Final answer
    x = 12,042,649.98

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1.5x scale

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.