Home / 21,805,209-32,709,388.86-8,845,135.56

Finding the Fourth Proportional to 21,805,209, 32,709,388.86 and 8,845,135.56

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Solution

The fourth proportional to 21,805,209, 32,709,388.86 and 8,845,135.56 is: 13,268,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,209 : 32,709,388.86 = 8,845,135.56 : x
  2. Step 2: Convert to fraction form
    21,805,209/32,709,388.86 = 8,845,135.56/x
  3. Step 3: Cross multiply
    21,805,209x = 32,709,388.86 × 8,845,135.56
  4. Step 4: Simplify right side
    21,805,209x = 289,318,978,551,453.88
  5. Step 5: Solve for x
    x = 289,318,978,551,453.88/21,805,209
  6. Step 6: Final answer
    x = 13,268,342.37

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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.