Home / 13,189,017.80-19,783,526.70-8,150,169.80

Finding the Fourth Proportional to 13,189,017.80, 19,783,526.70 and 8,150,169.80

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Solution

The fourth proportional to 13,189,017.80, 19,783,526.70 and 8,150,169.80 is: 12,225,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,017.80 : 19,783,526.70 = 8,150,169.80 : x
  2. Step 2: Convert to fraction form
    13,189,017.80/19,783,526.70 = 8,150,169.80/x
  3. Step 3: Cross multiply
    13,189,017.80x = 19,783,526.70 × 8,150,169.80
  4. Step 4: Simplify right side
    13,189,017.80x = 161,239,101,847,833.66
  5. Step 5: Solve for x
    x = 161,239,101,847,833.66/13,189,017.80
  6. Step 6: Final answer
    x = 12,225,254.70

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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.