Home / 7,777,518.95-11,665,946.11-2,660,406.42

Finding the Fourth Proportional to 7,777,518.95, 11,665,946.11 and 2,660,406.42

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Solution

The fourth proportional to 7,777,518.95, 11,665,946.11 and 2,660,406.42 is: 3,990,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,518.95 : 11,665,946.11 = 2,660,406.42 : x
  2. Step 2: Convert to fraction form
    7,777,518.95/11,665,946.11 = 2,660,406.42/x
  3. Step 3: Cross multiply
    7,777,518.95x = 11,665,946.11 × 2,660,406.42
  4. Step 4: Simplify right side
    7,777,518.95x = 31,036,157,926,418.02
  5. Step 5: Solve for x
    x = 31,036,157,926,418.02/7,777,518.95
  6. Step 6: Final answer
    x = 3,990,495.96

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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.