Home / 20,023,278.84-27,631,358.01-11,321,633.52

Finding the Fourth Proportional to 20,023,278.84, 27,631,358.01 and 11,321,633.52

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Solution

The fourth proportional to 20,023,278.84, 27,631,358.01 and 11,321,633.52 is: 15,623,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,278.84 : 27,631,358.01 = 11,321,633.52 : x
  2. Step 2: Convert to fraction form
    20,023,278.84/27,631,358.01 = 11,321,633.52/x
  3. Step 3: Cross multiply
    20,023,278.84x = 27,631,358.01 × 11,321,633.52
  4. Step 4: Simplify right side
    20,023,278.84x = 312,832,109,049,136.50
  5. Step 5: Solve for x
    x = 312,832,109,049,136.50/20,023,278.84
  6. Step 6: Final answer
    x = 15,623,420.70

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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.