Home / 7,721,691.55-11,582,485.35-1,964,375.77

Finding the Fourth Proportional to 7,721,691.55, 11,582,485.35 and 1,964,375.77

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Solution

The fourth proportional to 7,721,691.55, 11,582,485.35 and 1,964,375.77 is: 2,946,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,691.55 : 11,582,485.35 = 1,964,375.77 : x
  2. Step 2: Convert to fraction form
    7,721,691.55/11,582,485.35 = 1,964,375.77/x
  3. Step 3: Cross multiply
    7,721,691.55x = 11,582,485.35 × 1,964,375.77
  4. Step 4: Simplify right side
    7,721,691.55x = 22,752,353,577,919.97
  5. Step 5: Solve for x
    x = 22,752,353,577,919.97/7,721,691.55
  6. Step 6: Final answer
    x = 2,946,550.43

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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.