Home / 19,943,893.17-27,535,381.38-12,511,744.65

Finding the Fourth Proportional to 19,943,893.17, 27,535,381.38 and 12,511,744.65

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Solution

The fourth proportional to 19,943,893.17, 27,535,381.38 and 12,511,744.65 is: 17,274,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943,893.17 : 27,535,381.38 = 12,511,744.65 : x
  2. Step 2: Convert to fraction form
    19,943,893.17/27,535,381.38 = 12,511,744.65/x
  3. Step 3: Cross multiply
    19,943,893.17x = 27,535,381.38 × 12,511,744.65
  4. Step 4: Simplify right side
    19,943,893.17x = 344,515,660,666,924.62
  5. Step 5: Solve for x
    x = 344,515,660,666,924.62/19,943,893.17
  6. Step 6: Final answer
    x = 17,274,243.18

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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.