Home / 13,635,611-20,456,664.18-5,116,021.28

Finding the Fourth Proportional to 13,635,611, 20,456,664.18 and 5,116,021.28

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Solution

The fourth proportional to 13,635,611, 20,456,664.18 and 5,116,021.28 is: 7,675,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635,611 : 20,456,664.18 = 5,116,021.28 : x
  2. Step 2: Convert to fraction form
    13,635,611/20,456,664.18 = 5,116,021.28/x
  3. Step 3: Cross multiply
    13,635,611x = 20,456,664.18 × 5,116,021.28
  4. Step 4: Simplify right side
    13,635,611x = 104,656,729,262,693.75
  5. Step 5: Solve for x
    x = 104,656,729,262,693.75/13,635,611
  6. Step 6: Final answer
    x = 7,675,250.44

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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.