Home / 19,874,870.16-27,426,521.52-11,172,857.28

Finding the Fourth Proportional to 19,874,870.16, 27,426,521.52 and 11,172,857.28

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Solution

The fourth proportional to 19,874,870.16, 27,426,521.52 and 11,172,857.28 is: 15,418,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874,870.16 : 27,426,521.52 = 11,172,857.28 : x
  2. Step 2: Convert to fraction form
    19,874,870.16/27,426,521.52 = 11,172,857.28/x
  3. Step 3: Cross multiply
    19,874,870.16x = 27,426,521.52 × 11,172,857.28
  4. Step 4: Simplify right side
    19,874,870.16x = 306,432,610,629,808.62
  5. Step 5: Solve for x
    x = 306,432,610,629,808.62/19,874,870.16
  6. Step 6: Final answer
    x = 15,418,093.71

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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.