Home / 21,693,491.46-29,936,936.10-11,904,099.48

Finding the Fourth Proportional to 21,693,491.46, 29,936,936.10 and 11,904,099.48

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Solution

The fourth proportional to 21,693,491.46, 29,936,936.10 and 11,904,099.48 is: 16,427,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,491.46 : 29,936,936.10 = 11,904,099.48 : x
  2. Step 2: Convert to fraction form
    21,693,491.46/29,936,936.10 = 11,904,099.48/x
  3. Step 3: Cross multiply
    21,693,491.46x = 29,936,936.10 × 11,904,099.48
  4. Step 4: Simplify right side
    21,693,491.46x = 356,372,265,460,803.25
  5. Step 5: Solve for x
    x = 356,372,265,460,803.25/21,693,491.46
  6. Step 6: Final answer
    x = 16,427,612.22

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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.