Home / 20,197,450.21-30,299,165.12-7,416,958.46

Finding the Fourth Proportional to 20,197,450.21, 30,299,165.12 and 7,416,958.46

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Solution

The fourth proportional to 20,197,450.21, 30,299,165.12 and 7,416,958.46 is: 11,126,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,450.21 : 30,299,165.12 = 7,416,958.46 : x
  2. Step 2: Convert to fraction form
    20,197,450.21/30,299,165.12 = 7,416,958.46/x
  3. Step 3: Cross multiply
    20,197,450.21x = 30,299,165.12 × 7,416,958.46
  4. Step 4: Simplify right side
    20,197,450.21x = 224,727,649,048,389.34
  5. Step 5: Solve for x
    x = 224,727,649,048,389.34/20,197,450.21
  6. Step 6: Final answer
    x = 11,126,535.61

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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.