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Finding the Fourth Proportional to 13,773,610.44, 19,007,741.07 and 7,893,128.16

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Solution

The fourth proportional to 13,773,610.44, 19,007,741.07 and 7,893,128.16 is: 10,892,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773,610.44 : 19,007,741.07 = 7,893,128.16 : x
  2. Step 2: Convert to fraction form
    13,773,610.44/19,007,741.07 = 7,893,128.16/x
  3. Step 3: Cross multiply
    13,773,610.44x = 19,007,741.07 × 7,893,128.16
  4. Step 4: Simplify right side
    13,773,610.44x = 150,030,536,297,605.53
  5. Step 5: Solve for x
    x = 150,030,536,297,605.53/13,773,610.44
  6. Step 6: Final answer
    x = 10,892,607.78

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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.