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Finding the Fourth Proportional to 14,456,515.18, 19,949,804.82 and 8,261,490.95

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Solution

The fourth proportional to 14,456,515.18, 19,949,804.82 and 8,261,490.95 is: 11,400,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456,515.18 : 19,949,804.82 = 8,261,490.95 : x
  2. Step 2: Convert to fraction form
    14,456,515.18/19,949,804.82 = 8,261,490.95/x
  3. Step 3: Cross multiply
    14,456,515.18x = 19,949,804.82 × 8,261,490.95
  4. Step 4: Simplify right side
    14,456,515.18x = 164,815,131,974,696.38
  5. Step 5: Solve for x
    x = 164,815,131,974,696.38/14,456,515.18
  6. Step 6: Final answer
    x = 11,400,751.14

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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.