Home / 11,892,821.60-17,839,232.40-7,109,852.60

Finding the Fourth Proportional to 11,892,821.60, 17,839,232.40 and 7,109,852.60

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Solution

The fourth proportional to 11,892,821.60, 17,839,232.40 and 7,109,852.60 is: 10,664,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892,821.60 : 17,839,232.40 = 7,109,852.60 : x
  2. Step 2: Convert to fraction form
    11,892,821.60/17,839,232.40 = 7,109,852.60/x
  3. Step 3: Cross multiply
    11,892,821.60x = 17,839,232.40 × 7,109,852.60
  4. Step 4: Simplify right side
    11,892,821.60x = 126,834,312,861,144.22
  5. Step 5: Solve for x
    x = 126,834,312,861,144.22/11,892,821.60
  6. Step 6: Final answer
    x = 10,664,778.90

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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.