Home / 20,022,430.56-27,629,886.96-11,320,084.32

Finding the Fourth Proportional to 20,022,430.56, 27,629,886.96 and 11,320,084.32

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Solution

The fourth proportional to 20,022,430.56, 27,629,886.96 and 11,320,084.32 is: 15,621,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,430.56 : 27,629,886.96 = 11,320,084.32 : x
  2. Step 2: Convert to fraction form
    20,022,430.56/27,629,886.96 = 11,320,084.32/x
  3. Step 3: Cross multiply
    20,022,430.56x = 27,629,886.96 × 11,320,084.32
  4. Step 4: Simplify right side
    20,022,430.56x = 312,772,650,139,268.50
  5. Step 5: Solve for x
    x = 312,772,650,139,268.50/20,022,430.56
  6. Step 6: Final answer
    x = 15,621,112.99

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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.