Home / 54,628,278.72-81,947,933.58-17,738,626.20

Finding the Fourth Proportional to 54,628,278.72, 81,947,933.58 and 17,738,626.20

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Solution

The fourth proportional to 54,628,278.72, 81,947,933.58 and 17,738,626.20 is: 26,609,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628,278.72 : 81,947,933.58 = 17,738,626.20 : x
  2. Step 2: Convert to fraction form
    54,628,278.72/81,947,933.58 = 17,738,626.20/x
  3. Step 3: Cross multiply
    54,628,278.72x = 81,947,933.58 × 17,738,626.20
  4. Step 4: Simplify right side
    54,628,278.72x = 1,453,643,761,638,047.75
  5. Step 5: Solve for x
    x = 1,453,643,761,638,047.75/54,628,278.72
  6. Step 6: Final answer
    x = 26,609,730.27

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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.