Home / 21,794,966.40-32,669,121.60-7,404,700.80

Finding the Fourth Proportional to 21,794,966.40, 32,669,121.60 and 7,404,700.80

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Solution

The fourth proportional to 21,794,966.40, 32,669,121.60 and 7,404,700.80 is: 11,099,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794,966.40 : 32,669,121.60 = 7,404,700.80 : x
  2. Step 2: Convert to fraction form
    21,794,966.40/32,669,121.60 = 7,404,700.80/x
  3. Step 3: Cross multiply
    21,794,966.40x = 32,669,121.60 × 7,404,700.80
  4. Step 4: Simplify right side
    21,794,966.40x = 241,905,070,846,817.28
  5. Step 5: Solve for x
    x = 241,905,070,846,817.28/21,794,966.40
  6. Step 6: Final answer
    x = 11,099,125.66

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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.