Home / 7,949,967.30-11,922,441-2,557,415.52

Finding the Fourth Proportional to 7,949,967.30, 11,922,441 and 2,557,415.52

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Solution

The fourth proportional to 7,949,967.30, 11,922,441 and 2,557,415.52 is: 3,835,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949,967.30 : 11,922,441 = 2,557,415.52 : x
  2. Step 2: Convert to fraction form
    7,949,967.30/11,922,441 = 2,557,415.52/x
  3. Step 3: Cross multiply
    7,949,967.30x = 11,922,441 × 2,557,415.52
  4. Step 4: Simplify right side
    7,949,967.30x = 30,490,635,649,684.32
  5. Step 5: Solve for x
    x = 30,490,635,649,684.32/7,949,967.30
  6. Step 6: Final answer
    x = 3,835,315.86

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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.