Home / 13,601,305.96-18,769,800.42-7,489,719.40

Finding the Fourth Proportional to 13,601,305.96, 18,769,800.42 and 7,489,719.40

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Solution

The fourth proportional to 13,601,305.96, 18,769,800.42 and 7,489,719.40 is: 10,335,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,305.96 : 18,769,800.42 = 7,489,719.40 : x
  2. Step 2: Convert to fraction form
    13,601,305.96/18,769,800.42 = 7,489,719.40/x
  3. Step 3: Cross multiply
    13,601,305.96x = 18,769,800.42 × 7,489,719.40
  4. Step 4: Simplify right side
    13,601,305.96x = 140,580,538,339,802.17
  5. Step 5: Solve for x
    x = 140,580,538,339,802.17/13,601,305.96
  6. Step 6: Final answer
    x = 10,335,811.78

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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.