Home / 19,675,438.76-27,152,141.71-10,974,172.21

Finding the Fourth Proportional to 19,675,438.76, 27,152,141.71 and 10,974,172.21

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Solution

The fourth proportional to 19,675,438.76, 27,152,141.71 and 10,974,172.21 is: 15,144,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675,438.76 : 27,152,141.71 = 10,974,172.21 : x
  2. Step 2: Convert to fraction form
    19,675,438.76/27,152,141.71 = 10,974,172.21/x
  3. Step 3: Cross multiply
    19,675,438.76x = 27,152,141.71 × 10,974,172.21
  4. Step 4: Simplify right side
    19,675,438.76x = 297,972,278,995,863.94
  5. Step 5: Solve for x
    x = 297,972,278,995,863.94/19,675,438.76
  6. Step 6: Final answer
    x = 15,144,377.85

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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.