Home / 21,693,611.44-29,937,100.93-11,904,219.28

Finding the Fourth Proportional to 21,693,611.44, 29,937,100.93 and 11,904,219.28

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Solution

The fourth proportional to 21,693,611.44, 29,937,100.93 and 11,904,219.28 is: 16,427,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,611.44 : 29,937,100.93 = 11,904,219.28 : x
  2. Step 2: Convert to fraction form
    21,693,611.44/29,937,100.93 = 11,904,219.28/x
  3. Step 3: Cross multiply
    21,693,611.44x = 29,937,100.93 × 11,904,219.28
  4. Step 4: Simplify right side
    21,693,611.44x = 356,377,814,078,211.94
  5. Step 5: Solve for x
    x = 356,377,814,078,211.94/21,693,611.44
  6. Step 6: Final answer
    x = 16,427,777.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.