Home / 21,455,913.27-29,608,954.65-11,666,360.90

Finding the Fourth Proportional to 21,455,913.27, 29,608,954.65 and 11,666,360.90

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Solution

The fourth proportional to 21,455,913.27, 29,608,954.65 and 11,666,360.90 is: 16,099,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455,913.27 : 29,608,954.65 = 11,666,360.90 : x
  2. Step 2: Convert to fraction form
    21,455,913.27/29,608,954.65 = 11,666,360.90/x
  3. Step 3: Cross multiply
    21,455,913.27x = 29,608,954.65 × 11,666,360.90
  4. Step 4: Simplify right side
    21,455,913.27x = 345,428,750,726,105.19
  5. Step 5: Solve for x
    x = 345,428,750,726,105.19/21,455,913.27
  6. Step 6: Final answer
    x = 16,099,466.21

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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.