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Finding the Fourth Proportional to 19,804,848.88, 29,714,301.78 and 8,874,179.14

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Solution

The fourth proportional to 19,804,848.88, 29,714,301.78 and 8,874,179.14 is: 13,314,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804,848.88 : 29,714,301.78 = 8,874,179.14 : x
  2. Step 2: Convert to fraction form
    19,804,848.88/29,714,301.78 = 8,874,179.14/x
  3. Step 3: Cross multiply
    19,804,848.88x = 29,714,301.78 × 8,874,179.14
  4. Step 4: Simplify right side
    19,804,848.88x = 263,690,037,015,740.91
  5. Step 5: Solve for x
    x = 263,690,037,015,740.91/19,804,848.88
  6. Step 6: Final answer
    x = 13,314,418.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.