Home / 6,318,902.24-8,720,058.66-3,418,285.89

Finding the Fourth Proportional to 6,318,902.24, 8,720,058.66 and 3,418,285.89

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Solution

The fourth proportional to 6,318,902.24, 8,720,058.66 and 3,418,285.89 is: 4,717,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318,902.24 : 8,720,058.66 = 3,418,285.89 : x
  2. Step 2: Convert to fraction form
    6,318,902.24/8,720,058.66 = 3,418,285.89/x
  3. Step 3: Cross multiply
    6,318,902.24x = 8,720,058.66 × 3,418,285.89
  4. Step 4: Simplify right side
    6,318,902.24x = 29,807,653,477,450.31
  5. Step 5: Solve for x
    x = 29,807,653,477,450.31/6,318,902.24
  6. Step 6: Final answer
    x = 4,717,220.23

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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.