Home / 13,726,396.44-18,942,775.63-7,531,441.52

Finding the Fourth Proportional to 13,726,396.44, 18,942,775.63 and 7,531,441.52

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Solution

The fourth proportional to 13,726,396.44, 18,942,775.63 and 7,531,441.52 is: 10,393,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,396.44 : 18,942,775.63 = 7,531,441.52 : x
  2. Step 2: Convert to fraction form
    13,726,396.44/18,942,775.63 = 7,531,441.52/x
  3. Step 3: Cross multiply
    13,726,396.44x = 18,942,775.63 × 7,531,441.52
  4. Step 4: Simplify right side
    13,726,396.44x = 142,666,406,770,283.69
  5. Step 5: Solve for x
    x = 142,666,406,770,283.69/13,726,396.44
  6. Step 6: Final answer
    x = 10,393,580.53

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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.