Home / 7,427,771.20-11,141,656.80-2,108,987.20

Finding the Fourth Proportional to 7,427,771.20, 11,141,656.80 and 2,108,987.20

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Solution

The fourth proportional to 7,427,771.20, 11,141,656.80 and 2,108,987.20 is: 3,163,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,771.20 : 11,141,656.80 = 2,108,987.20 : x
  2. Step 2: Convert to fraction form
    7,427,771.20/11,141,656.80 = 2,108,987.20/x
  3. Step 3: Cross multiply
    7,427,771.20x = 11,141,656.80 × 2,108,987.20
  4. Step 4: Simplify right side
    7,427,771.20x = 23,497,611,577,992.96
  5. Step 5: Solve for x
    x = 23,497,611,577,992.96/7,427,771.20
  6. Step 6: Final answer
    x = 3,163,480.80

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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.