Home / 15,363,376.53-21,201,212.16-8,393,904.33

Finding the Fourth Proportional to 15,363,376.53, 21,201,212.16 and 8,393,904.33

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Solution

The fourth proportional to 15,363,376.53, 21,201,212.16 and 8,393,904.33 is: 11,583,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363,376.53 : 21,201,212.16 = 8,393,904.33 : x
  2. Step 2: Convert to fraction form
    15,363,376.53/21,201,212.16 = 8,393,904.33/x
  3. Step 3: Cross multiply
    15,363,376.53x = 21,201,212.16 × 8,393,904.33
  4. Step 4: Simplify right side
    15,363,376.53x = 177,960,946,551,072.66
  5. Step 5: Solve for x
    x = 177,960,946,551,072.66/15,363,376.53
  6. Step 6: Final answer
    x = 11,583,452.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.