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Finding the Fourth Proportional to 14,543,938.51, 20,070,770.52 and 8,017,801.51

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Solution

The fourth proportional to 14,543,938.51, 20,070,770.52 and 8,017,801.51 is: 11,064,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543,938.51 : 20,070,770.52 = 8,017,801.51 : x
  2. Step 2: Convert to fraction form
    14,543,938.51/20,070,770.52 = 8,017,801.51/x
  3. Step 3: Cross multiply
    14,543,938.51x = 20,070,770.52 × 8,017,801.51
  4. Step 4: Simplify right side
    14,543,938.51x = 160,923,454,061,721.12
  5. Step 5: Solve for x
    x = 160,923,454,061,721.12/14,543,938.51
  6. Step 6: Final answer
    x = 11,064,640.71

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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.