Home / 13,369,410.75-18,450,010.40-7,257,839.25

Finding the Fourth Proportional to 13,369,410.75, 18,450,010.40 and 7,257,839.25

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Solution

The fourth proportional to 13,369,410.75, 18,450,010.40 and 7,257,839.25 is: 10,015,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,410.75 : 18,450,010.40 = 7,257,839.25 : x
  2. Step 2: Convert to fraction form
    13,369,410.75/18,450,010.40 = 7,257,839.25/x
  3. Step 3: Cross multiply
    13,369,410.75x = 18,450,010.40 × 7,257,839.25
  4. Step 4: Simplify right side
    13,369,410.75x = 133,907,209,607,739
  5. Step 5: Solve for x
    x = 133,907,209,607,739/13,369,410.75
  6. Step 6: Final answer
    x = 10,015,939.53

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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.