Home / 28,954,819.32-43,432,192.24-7,389,421.44

Finding the Fourth Proportional to 28,954,819.32, 43,432,192.24 and 7,389,421.44

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Solution

The fourth proportional to 28,954,819.32, 43,432,192.24 and 7,389,421.44 is: 11,084,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,819.32 : 43,432,192.24 = 7,389,421.44 : x
  2. Step 2: Convert to fraction form
    28,954,819.32/43,432,192.24 = 7,389,421.44/x
  3. Step 3: Cross multiply
    28,954,819.32x = 43,432,192.24 × 7,389,421.44
  4. Step 4: Simplify right side
    28,954,819.32x = 320,938,772,524,457.69
  5. Step 5: Solve for x
    x = 320,938,772,524,457.69/28,954,819.32
  6. Step 6: Final answer
    x = 11,084,122.78

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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.