Home / 21,693,495.40-29,936,941.53-11,904,103.41

Finding the Fourth Proportional to 21,693,495.40, 29,936,941.53 and 11,904,103.41

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Solution

The fourth proportional to 21,693,495.40, 29,936,941.53 and 11,904,103.41 is: 16,427,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,495.40 : 29,936,941.53 = 11,904,103.41 : x
  2. Step 2: Convert to fraction form
    21,693,495.40/29,936,941.53 = 11,904,103.41/x
  3. Step 3: Cross multiply
    21,693,495.40x = 29,936,941.53 × 11,904,103.41
  4. Step 4: Simplify right side
    21,693,495.40x = 356,372,447,752,243.62
  5. Step 5: Solve for x
    x = 356,372,447,752,243.62/21,693,495.40
  6. Step 6: Final answer
    x = 16,427,617.64

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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.