Home / 14,744,832.54-20,348,004.15-8,129,658.30

Finding the Fourth Proportional to 14,744,832.54, 20,348,004.15 and 8,129,658.30

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Solution

The fourth proportional to 14,744,832.54, 20,348,004.15 and 8,129,658.30 is: 11,219,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744,832.54 : 20,348,004.15 = 8,129,658.30 : x
  2. Step 2: Convert to fraction form
    14,744,832.54/20,348,004.15 = 8,129,658.30/x
  3. Step 3: Cross multiply
    14,744,832.54x = 20,348,004.15 × 8,129,658.30
  4. Step 4: Simplify right side
    14,744,832.54x = 165,422,320,826,481.94
  5. Step 5: Solve for x
    x = 165,422,320,826,481.94/14,744,832.54
  6. Step 6: Final answer
    x = 11,219,003.02

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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.