Home / 20,179,453.70-30,348,896.70-18,106,833.80

Finding the Fourth Proportional to 20,179,453.70, 30,348,896.70 and 18,106,833.80

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Solution

The fourth proportional to 20,179,453.70, 30,348,896.70 and 18,106,833.80 is: 27,231,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,453.70 : 30,348,896.70 = 18,106,833.80 : x
  2. Step 2: Convert to fraction form
    20,179,453.70/30,348,896.70 = 18,106,833.80/x
  3. Step 3: Cross multiply
    20,179,453.70x = 30,348,896.70 × 18,106,833.80
  4. Step 4: Simplify right side
    20,179,453.70x = 549,522,428,560,268.50
  5. Step 5: Solve for x
    x = 549,522,428,560,268.50/20,179,453.70
  6. Step 6: Final answer
    x = 27,231,779.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.