Home / 30,978,102.31-46,425,284.03-11,798,396.62

Finding the Fourth Proportional to 30,978,102.31, 46,425,284.03 and 11,798,396.62

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Solution

The fourth proportional to 30,978,102.31, 46,425,284.03 and 11,798,396.62 is: 17,681,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,978,102.31 : 46,425,284.03 = 11,798,396.62 : x
  2. Step 2: Convert to fraction form
    30,978,102.31/46,425,284.03 = 11,798,396.62/x
  3. Step 3: Cross multiply
    30,978,102.31x = 46,425,284.03 × 11,798,396.62
  4. Step 4: Simplify right side
    30,978,102.31x = 547,743,914,062,347.69
  5. Step 5: Solve for x
    x = 547,743,914,062,347.69/30,978,102.31
  6. Step 6: Final answer
    x = 17,681,648.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.