Home / 13,195,847.55-19,793,771.33-8,156,999.55

Finding the Fourth Proportional to 13,195,847.55, 19,793,771.33 and 8,156,999.55

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Solution

The fourth proportional to 13,195,847.55, 19,793,771.33 and 8,156,999.55 is: 12,235,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,847.55 : 19,793,771.33 = 8,156,999.55 : x
  2. Step 2: Convert to fraction form
    13,195,847.55/19,793,771.33 = 8,156,999.55/x
  3. Step 3: Cross multiply
    13,195,847.55x = 19,793,771.33 × 8,156,999.55
  4. Step 4: Simplify right side
    13,195,847.55x = 161,457,783,790,827.91
  5. Step 5: Solve for x
    x = 161,457,783,790,827.91/13,195,847.55
  6. Step 6: Final answer
    x = 12,235,499.33

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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.