Home / 30,494,817.65-42,083,450.21-16,743,661.49

Finding the Fourth Proportional to 30,494,817.65, 42,083,450.21 and 16,743,661.49

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Solution

The fourth proportional to 30,494,817.65, 42,083,450.21 and 16,743,661.49 is: 23,106,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494,817.65 : 42,083,450.21 = 16,743,661.49 : x
  2. Step 2: Convert to fraction form
    30,494,817.65/42,083,450.21 = 16,743,661.49/x
  3. Step 3: Cross multiply
    30,494,817.65x = 42,083,450.21 × 16,743,661.49
  4. Step 4: Simplify right side
    30,494,817.65x = 704,631,044,478,951.25
  5. Step 5: Solve for x
    x = 704,631,044,478,951.25/30,494,817.65
  6. Step 6: Final answer
    x = 23,106,583.31

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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.