Home / 13,195,846.80-19,793,770.20-8,156,998.80

Finding the Fourth Proportional to 13,195,846.80, 19,793,770.20 and 8,156,998.80

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Solution

The fourth proportional to 13,195,846.80, 19,793,770.20 and 8,156,998.80 is: 12,235,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,846.80 : 19,793,770.20 = 8,156,998.80 : x
  2. Step 2: Convert to fraction form
    13,195,846.80/19,793,770.20 = 8,156,998.80/x
  3. Step 3: Cross multiply
    13,195,846.80x = 19,793,770.20 × 8,156,998.80
  4. Step 4: Simplify right side
    13,195,846.80x = 161,457,759,768,875.75
  5. Step 5: Solve for x
    x = 161,457,759,768,875.75/13,195,846.80
  6. Step 6: Final answer
    x = 12,235,498.20

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Similar ratio
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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.