Home / 20,414,432-30,627,323.14-8,900,905.44

Finding the Fourth Proportional to 20,414,432, 30,627,323.14 and 8,900,905.44

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Solution

The fourth proportional to 20,414,432, 30,627,323.14 and 8,900,905.44 is: 13,353,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,432 : 30,627,323.14 = 8,900,905.44 : x
  2. Step 2: Convert to fraction form
    20,414,432/30,627,323.14 = 8,900,905.44/x
  3. Step 3: Cross multiply
    20,414,432x = 30,627,323.14 × 8,900,905.44
  4. Step 4: Simplify right side
    20,414,432x = 272,610,907,149,463.88
  5. Step 5: Solve for x
    x = 272,610,907,149,463.88/20,414,432
  6. Step 6: Final answer
    x = 13,353,832.58

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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.