Home / 11,912,841.09-17,876,819.36-5,089,465.61

Finding the Fourth Proportional to 11,912,841.09, 17,876,819.36 and 5,089,465.61

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Solution

The fourth proportional to 11,912,841.09, 17,876,819.36 and 5,089,465.61 is: 7,637,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912,841.09 : 17,876,819.36 = 5,089,465.61 : x
  2. Step 2: Convert to fraction form
    11,912,841.09/17,876,819.36 = 5,089,465.61/x
  3. Step 3: Cross multiply
    11,912,841.09x = 17,876,819.36 × 5,089,465.61
  4. Step 4: Simplify right side
    11,912,841.09x = 90,983,457,297,848.33
  5. Step 5: Solve for x
    x = 90,983,457,297,848.33/11,912,841.09
  6. Step 6: Final answer
    x = 7,637,427.26

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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.