Home / 25,889,671.53-35,741,179.56-18,912,515.49

Finding the Fourth Proportional to 25,889,671.53, 35,741,179.56 and 18,912,515.49

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Solution

The fourth proportional to 25,889,671.53, 35,741,179.56 and 18,912,515.49 is: 26,109,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889,671.53 : 35,741,179.56 = 18,912,515.49 : x
  2. Step 2: Convert to fraction form
    25,889,671.53/35,741,179.56 = 18,912,515.49/x
  3. Step 3: Cross multiply
    25,889,671.53x = 35,741,179.56 × 18,912,515.49
  4. Step 4: Simplify right side
    25,889,671.53x = 675,955,612,059,371.38
  5. Step 5: Solve for x
    x = 675,955,612,059,371.38/25,889,671.53
  6. Step 6: Final answer
    x = 26,109,084.13

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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.