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Finding the Fourth Proportional to 13,305,714.60, 19,958,571.90 and 8,770,751.40

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Solution

The fourth proportional to 13,305,714.60, 19,958,571.90 and 8,770,751.40 is: 13,156,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,714.60 : 19,958,571.90 = 8,770,751.40 : x
  2. Step 2: Convert to fraction form
    13,305,714.60/19,958,571.90 = 8,770,751.40/x
  3. Step 3: Cross multiply
    13,305,714.60x = 19,958,571.90 × 8,770,751.40
  4. Step 4: Simplify right side
    13,305,714.60x = 175,051,672,433,925.66
  5. Step 5: Solve for x
    x = 175,051,672,433,925.66/13,305,714.60
  6. Step 6: Final answer
    x = 13,156,127.10

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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.