Home / 7,805,181.78-11,704,863.96-2,686,180.23

Finding the Fourth Proportional to 7,805,181.78, 11,704,863.96 and 2,686,180.23

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Solution

The fourth proportional to 7,805,181.78, 11,704,863.96 and 2,686,180.23 is: 4,028,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,181.78 : 11,704,863.96 = 2,686,180.23 : x
  2. Step 2: Convert to fraction form
    7,805,181.78/11,704,863.96 = 2,686,180.23/x
  3. Step 3: Cross multiply
    7,805,181.78x = 11,704,863.96 × 2,686,180.23
  4. Step 4: Simplify right side
    7,805,181.78x = 31,441,374,164,191.51
  5. Step 5: Solve for x
    x = 31,441,374,164,191.51/7,805,181.78
  6. Step 6: Final answer
    x = 4,028,269.30

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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.