Home / 7,619,288.22-11,428,996.41-1,939,513.50

Finding the Fourth Proportional to 7,619,288.22, 11,428,996.41 and 1,939,513.50

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Solution

The fourth proportional to 7,619,288.22, 11,428,996.41 and 1,939,513.50 is: 2,909,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619,288.22 : 11,428,996.41 = 1,939,513.50 : x
  2. Step 2: Convert to fraction form
    7,619,288.22/11,428,996.41 = 1,939,513.50/x
  3. Step 3: Cross multiply
    7,619,288.22x = 11,428,996.41 × 1,939,513.50
  4. Step 4: Simplify right side
    7,619,288.22x = 22,166,692,828,646.54
  5. Step 5: Solve for x
    x = 22,166,692,828,646.54/7,619,288.22
  6. Step 6: Final answer
    x = 2,909,286.56

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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.