Home / 21,511,221.80-32,279,274.30-8,049,410.60

Finding the Fourth Proportional to 21,511,221.80, 32,279,274.30 and 8,049,410.60

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Solution

The fourth proportional to 21,511,221.80, 32,279,274.30 and 8,049,410.60 is: 12,078,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511,221.80 : 32,279,274.30 = 8,049,410.60 : x
  2. Step 2: Convert to fraction form
    21,511,221.80/32,279,274.30 = 8,049,410.60/x
  3. Step 3: Cross multiply
    21,511,221.80x = 32,279,274.30 × 8,049,410.60
  4. Step 4: Simplify right side
    21,511,221.80x = 259,829,132,710,727.56
  5. Step 5: Solve for x
    x = 259,829,132,710,727.56/21,511,221.80
  6. Step 6: Final answer
    x = 12,078,771.50

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1.5x scale

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.