Home / 13,601,308.96-18,769,804.56-7,489,722.40

Finding the Fourth Proportional to 13,601,308.96, 18,769,804.56 and 7,489,722.40

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Solution

The fourth proportional to 13,601,308.96, 18,769,804.56 and 7,489,722.40 is: 10,335,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,308.96 : 18,769,804.56 = 7,489,722.40 : x
  2. Step 2: Convert to fraction form
    13,601,308.96/18,769,804.56 = 7,489,722.40/x
  3. Step 3: Cross multiply
    13,601,308.96x = 18,769,804.56 × 7,489,722.40
  4. Step 4: Simplify right side
    13,601,308.96x = 140,580,625,656,654.14
  5. Step 5: Solve for x
    x = 140,580,625,656,654.14/13,601,308.96
  6. Step 6: Final answer
    x = 10,335,815.92

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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.