Home / 20,649,004.20-30,945,604.87-7,862,533.74

Finding the Fourth Proportional to 20,649,004.20, 30,945,604.87 and 7,862,533.74

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Solution

The fourth proportional to 20,649,004.20, 30,945,604.87 and 7,862,533.74 is: 11,783,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,004.20 : 30,945,604.87 = 7,862,533.74 : x
  2. Step 2: Convert to fraction form
    20,649,004.20/30,945,604.87 = 7,862,533.74/x
  3. Step 3: Cross multiply
    20,649,004.20x = 30,945,604.87 × 7,862,533.74
  4. Step 4: Simplify right side
    20,649,004.20x = 243,310,862,395,083.34
  5. Step 5: Solve for x
    x = 243,310,862,395,083.34/20,649,004.20
  6. Step 6: Final answer
    x = 11,783,176.57

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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.