Home / 20,649,023.19-30,945,633.28-7,862,552.73

Finding the Fourth Proportional to 20,649,023.19, 30,945,633.28 and 7,862,552.73

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Solution

The fourth proportional to 20,649,023.19, 30,945,633.28 and 7,862,552.73 is: 11,783,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,023.19 : 30,945,633.28 = 7,862,552.73 : x
  2. Step 2: Convert to fraction form
    20,649,023.19/30,945,633.28 = 7,862,552.73/x
  3. Step 3: Cross multiply
    20,649,023.19x = 30,945,633.28 × 7,862,552.73
  4. Step 4: Simplify right side
    20,649,023.19x = 243,311,673,407,586.50
  5. Step 5: Solve for x
    x = 243,311,673,407,586.50/20,649,023.19
  6. Step 6: Final answer
    x = 11,783,205.01

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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.