Home / 8,333,361.72-11,497,487.64-5,431,693.86

Finding the Fourth Proportional to 8,333,361.72, 11,497,487.64 and 5,431,693.86

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Solution

The fourth proportional to 8,333,361.72, 11,497,487.64 and 5,431,693.86 is: 7,494,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,361.72 : 11,497,487.64 = 5,431,693.86 : x
  2. Step 2: Convert to fraction form
    8,333,361.72/11,497,487.64 = 5,431,693.86/x
  3. Step 3: Cross multiply
    8,333,361.72x = 11,497,487.64 × 5,431,693.86
  4. Step 4: Simplify right side
    8,333,361.72x = 62,450,833,019,613.90
  5. Step 5: Solve for x
    x = 62,450,833,019,613.90/8,333,361.72
  6. Step 6: Final answer
    x = 7,494,074.43

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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.