Home / 19,401,212.20-29,090,096.22-7,731,378.64

Finding the Fourth Proportional to 19,401,212.20, 29,090,096.22 and 7,731,378.64

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Solution

The fourth proportional to 19,401,212.20, 29,090,096.22 and 7,731,378.64 is: 11,592,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401,212.20 : 29,090,096.22 = 7,731,378.64 : x
  2. Step 2: Convert to fraction form
    19,401,212.20/29,090,096.22 = 7,731,378.64/x
  3. Step 3: Cross multiply
    19,401,212.20x = 29,090,096.22 × 7,731,378.64
  4. Step 4: Simplify right side
    19,401,212.20x = 224,906,548,550,852.72
  5. Step 5: Solve for x
    x = 224,906,548,550,852.72/19,401,212.20
  6. Step 6: Final answer
    x = 11,592,396.71

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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.