Home / 21,794,974.40-32,669,133.60-7,404,708.80

Finding the Fourth Proportional to 21,794,974.40, 32,669,133.60 and 7,404,708.80

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Solution

The fourth proportional to 21,794,974.40, 32,669,133.60 and 7,404,708.80 is: 11,099,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794,974.40 : 32,669,133.60 = 7,404,708.80 : x
  2. Step 2: Convert to fraction form
    21,794,974.40/32,669,133.60 = 7,404,708.80/x
  3. Step 3: Cross multiply
    21,794,974.40x = 32,669,133.60 × 7,404,708.80
  4. Step 4: Simplify right side
    21,794,974.40x = 241,905,421,056,295.69
  5. Step 5: Solve for x
    x = 241,905,421,056,295.69/21,794,974.40
  6. Step 6: Final answer
    x = 11,099,137.66

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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.