Home / 21,110,130.38-29,131,783.08-11,942,773.13

Finding the Fourth Proportional to 21,110,130.38, 29,131,783.08 and 11,942,773.13

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Solution

The fourth proportional to 21,110,130.38, 29,131,783.08 and 11,942,773.13 is: 16,480,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,110,130.38 : 29,131,783.08 = 11,942,773.13 : x
  2. Step 2: Convert to fraction form
    21,110,130.38/29,131,783.08 = 11,942,773.13/x
  3. Step 3: Cross multiply
    21,110,130.38x = 29,131,783.08 × 11,942,773.13
  4. Step 4: Simplify right side
    21,110,130.38x = 347,914,276,051,153.69
  5. Step 5: Solve for x
    x = 347,914,276,051,153.69/21,110,130.38
  6. Step 6: Final answer
    x = 16,480,915.55

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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.