Home / 7,620,415.56-11,432,615.40-4,422,467.52

Finding the Fourth Proportional to 7,620,415.56, 11,432,615.40 and 4,422,467.52

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Solution

The fourth proportional to 7,620,415.56, 11,432,615.40 and 4,422,467.52 is: 6,634,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,415.56 : 11,432,615.40 = 4,422,467.52 : x
  2. Step 2: Convert to fraction form
    7,620,415.56/11,432,615.40 = 4,422,467.52/x
  3. Step 3: Cross multiply
    7,620,415.56x = 11,432,615.40 × 4,422,467.52
  4. Step 4: Simplify right side
    7,620,415.56x = 50,560,370,275,151.80
  5. Step 5: Solve for x
    x = 50,560,370,275,151.80/7,620,415.56
  6. Step 6: Final answer
    x = 6,634,857.36

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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.