Home / 28,103,340.74-38,770,734.24-18,813,903.26

Finding the Fourth Proportional to 28,103,340.74, 38,770,734.24 and 18,813,903.26

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Solution

The fourth proportional to 28,103,340.74, 38,770,734.24 and 18,813,903.26 is: 25,955,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,103,340.74 : 38,770,734.24 = 18,813,903.26 : x
  2. Step 2: Convert to fraction form
    28,103,340.74/38,770,734.24 = 18,813,903.26/x
  3. Step 3: Cross multiply
    28,103,340.74x = 38,770,734.24 × 18,813,903.26
  4. Step 4: Simplify right side
    28,103,340.74x = 729,428,843,116,676
  5. Step 5: Solve for x
    x = 729,428,843,116,676/28,103,340.74
  6. Step 6: Final answer
    x = 25,955,236.07

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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.