Home / 19,903,126.68-27,474,789.42-13,380,539.22

Finding the Fourth Proportional to 19,903,126.68, 27,474,789.42 and 13,380,539.22

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Solution

The fourth proportional to 19,903,126.68, 27,474,789.42 and 13,380,539.22 is: 18,470,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,126.68 : 27,474,789.42 = 13,380,539.22 : x
  2. Step 2: Convert to fraction form
    19,903,126.68/27,474,789.42 = 13,380,539.22/x
  3. Step 3: Cross multiply
    19,903,126.68x = 27,474,789.42 × 13,380,539.22
  4. Step 4: Simplify right side
    19,903,126.68x = 367,627,497,395,551.12
  5. Step 5: Solve for x
    x = 367,627,497,395,551.12/19,903,126.68
  6. Step 6: Final answer
    x = 18,470,841.46

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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.