Home / 12,935,121.60-19,399,372.88-3,835,091.28

Finding the Fourth Proportional to 12,935,121.60, 19,399,372.88 and 3,835,091.28

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Solution

The fourth proportional to 12,935,121.60, 19,399,372.88 and 3,835,091.28 is: 5,751,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,121.60 : 19,399,372.88 = 3,835,091.28 : x
  2. Step 2: Convert to fraction form
    12,935,121.60/19,399,372.88 = 3,835,091.28/x
  3. Step 3: Cross multiply
    12,935,121.60x = 19,399,372.88 × 3,835,091.28
  4. Step 4: Simplify right side
    12,935,121.60x = 74,398,365,769,556.48
  5. Step 5: Solve for x
    x = 74,398,365,769,556.48/12,935,121.60
  6. Step 6: Final answer
    x = 5,751,655.69

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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.