Home / 20,926,589.25-28,881,399.39-11,759,232.81

Finding the Fourth Proportional to 20,926,589.25, 28,881,399.39 and 11,759,232.81

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Solution

The fourth proportional to 20,926,589.25, 28,881,399.39 and 11,759,232.81 is: 16,229,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,589.25 : 28,881,399.39 = 11,759,232.81 : x
  2. Step 2: Convert to fraction form
    20,926,589.25/28,881,399.39 = 11,759,232.81/x
  3. Step 3: Cross multiply
    20,926,589.25x = 28,881,399.39 × 11,759,232.81
  4. Step 4: Simplify right side
    20,926,589.25x = 339,623,099,305,602
  5. Step 5: Solve for x
    x = 339,623,099,305,602/20,926,589.25
  6. Step 6: Final answer
    x = 16,229,261.98

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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.