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Finding the Fourth Proportional to 29,896,361.94, 41,256,978.12 and 16,145,324.85

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Solution

The fourth proportional to 29,896,361.94, 41,256,978.12 and 16,145,324.85 is: 22,280,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,896,361.94 : 41,256,978.12 = 16,145,324.85 : x
  2. Step 2: Convert to fraction form
    29,896,361.94/41,256,978.12 = 16,145,324.85/x
  3. Step 3: Cross multiply
    29,896,361.94x = 41,256,978.12 × 16,145,324.85
  4. Step 4: Simplify right side
    29,896,361.94x = 666,107,314,076,742.25
  5. Step 5: Solve for x
    x = 666,107,314,076,742.25/29,896,361.94
  6. Step 6: Final answer
    x = 22,280,547.56

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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.