Home / 13,840,221.20-20,760,331.80-12,832,451.60

Finding the Fourth Proportional to 13,840,221.20, 20,760,331.80 and 12,832,451.60

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Solution

The fourth proportional to 13,840,221.20, 20,760,331.80 and 12,832,451.60 is: 19,248,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,221.20 : 20,760,331.80 = 12,832,451.60 : x
  2. Step 2: Convert to fraction form
    13,840,221.20/20,760,331.80 = 12,832,451.60/x
  3. Step 3: Cross multiply
    13,840,221.20x = 20,760,331.80 × 12,832,451.60
  4. Step 4: Simplify right side
    13,840,221.20x = 266,405,953,023,440.88
  5. Step 5: Solve for x
    x = 266,405,953,023,440.88/13,840,221.20
  6. Step 6: Final answer
    x = 19,248,677.40

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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.