Home / 19,511,813.44-29,261,520-18,238,127.20

Finding the Fourth Proportional to 19,511,813.44, 29,261,520 and 18,238,127.20

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Solution

The fourth proportional to 19,511,813.44, 29,261,520 and 18,238,127.20 is: 27,351,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511,813.44 : 29,261,520 = 18,238,127.20 : x
  2. Step 2: Convert to fraction form
    19,511,813.44/29,261,520 = 18,238,127.20/x
  3. Step 3: Cross multiply
    19,511,813.44x = 29,261,520 × 18,238,127.20
  4. Step 4: Simplify right side
    19,511,813.44x = 533,675,323,825,344
  5. Step 5: Solve for x
    x = 533,675,323,825,344/19,511,813.44
  6. Step 6: Final answer
    x = 27,351,395.37

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1.5x scale

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.