Home / 19,832,728.80-27,371,836.26-11,131,377.51

Finding the Fourth Proportional to 19,832,728.80, 27,371,836.26 and 11,131,377.51

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Solution

The fourth proportional to 19,832,728.80, 27,371,836.26 and 11,131,377.51 is: 15,362,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832,728.80 : 27,371,836.26 = 11,131,377.51 : x
  2. Step 2: Convert to fraction form
    19,832,728.80/27,371,836.26 = 11,131,377.51/x
  3. Step 3: Cross multiply
    19,832,728.80x = 27,371,836.26 × 11,131,377.51
  4. Step 4: Simplify right side
    19,832,728.80x = 304,686,242,551,966.50
  5. Step 5: Solve for x
    x = 304,686,242,551,966.50/19,832,728.80
  6. Step 6: Final answer
    x = 15,362,799.83

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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.