Home / 20,441,428.21-28,213,536.47-11,744,396.25

Finding the Fourth Proportional to 20,441,428.21, 28,213,536.47 and 11,744,396.25

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Solution

The fourth proportional to 20,441,428.21, 28,213,536.47 and 11,744,396.25 is: 16,209,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441,428.21 : 28,213,536.47 = 11,744,396.25 : x
  2. Step 2: Convert to fraction form
    20,441,428.21/28,213,536.47 = 11,744,396.25/x
  3. Step 3: Cross multiply
    20,441,428.21x = 28,213,536.47 × 11,744,396.25
  4. Step 4: Simplify right side
    20,441,428.21x = 331,350,951,752,983.50
  5. Step 5: Solve for x
    x = 331,350,951,752,983.50/20,441,428.21
  6. Step 6: Final answer
    x = 16,209,774.99

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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.