Home / 14,093,893.80-21,140,840.70-11,904,172.20

Finding the Fourth Proportional to 14,093,893.80, 21,140,840.70 and 11,904,172.20

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Solution

The fourth proportional to 14,093,893.80, 21,140,840.70 and 11,904,172.20 is: 17,856,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093,893.80 : 21,140,840.70 = 11,904,172.20 : x
  2. Step 2: Convert to fraction form
    14,093,893.80/21,140,840.70 = 11,904,172.20/x
  3. Step 3: Cross multiply
    14,093,893.80x = 21,140,840.70 × 11,904,172.20
  4. Step 4: Simplify right side
    14,093,893.80x = 251,664,208,145,568.50
  5. Step 5: Solve for x
    x = 251,664,208,145,568.50/14,093,893.80
  6. Step 6: Final answer
    x = 17,856,258.30

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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.