Home / 18,146,427.20-27,219,640.80-17,264,628.80

Finding the Fourth Proportional to 18,146,427.20, 27,219,640.80 and 17,264,628.80

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Solution

The fourth proportional to 18,146,427.20, 27,219,640.80 and 17,264,628.80 is: 25,896,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,427.20 : 27,219,640.80 = 17,264,628.80 : x
  2. Step 2: Convert to fraction form
    18,146,427.20/27,219,640.80 = 17,264,628.80/x
  3. Step 3: Cross multiply
    18,146,427.20x = 27,219,640.80 × 17,264,628.80
  4. Step 4: Simplify right side
    18,146,427.20x = 469,936,994,481,335.06
  5. Step 5: Solve for x
    x = 469,936,994,481,335.06/18,146,427.20
  6. Step 6: Final answer
    x = 25,896,943.20

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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.