Home / 7,987,268.96-11,980,903.02-1,922,001.31

Finding the Fourth Proportional to 7,987,268.96, 11,980,903.02 and 1,922,001.31

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Solution

The fourth proportional to 7,987,268.96, 11,980,903.02 and 1,922,001.31 is: 2,883,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,268.96 : 11,980,903.02 = 1,922,001.31 : x
  2. Step 2: Convert to fraction form
    7,987,268.96/11,980,903.02 = 1,922,001.31/x
  3. Step 3: Cross multiply
    7,987,268.96x = 11,980,903.02 × 1,922,001.31
  4. Step 4: Simplify right side
    7,987,268.96x = 23,027,311,307,191.58
  5. Step 5: Solve for x
    x = 23,027,311,307,191.58/7,987,268.96
  6. Step 6: Final answer
    x = 2,883,001.87

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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.