Home / 8,657,906.87-11,942,705.72-5,717,751.05

Finding the Fourth Proportional to 8,657,906.87, 11,942,705.72 and 5,717,751.05

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Solution

The fourth proportional to 8,657,906.87, 11,942,705.72 and 5,717,751.05 is: 7,887,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,906.87 : 11,942,705.72 = 5,717,751.05 : x
  2. Step 2: Convert to fraction form
    8,657,906.87/11,942,705.72 = 5,717,751.05/x
  3. Step 3: Cross multiply
    8,657,906.87x = 11,942,705.72 × 5,717,751.05
  4. Step 4: Simplify right side
    8,657,906.87x = 68,285,418,214,522.15
  5. Step 5: Solve for x
    x = 68,285,418,214,522.15/8,657,906.87
  6. Step 6: Final answer
    x = 7,887,058.53

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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.