Home / 7,777,214.40-11,665,821.60-6,993,393.60

Finding the Fourth Proportional to 7,777,214.40, 11,665,821.60 and 6,993,393.60

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Solution

The fourth proportional to 7,777,214.40, 11,665,821.60 and 6,993,393.60 is: 10,490,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,214.40 : 11,665,821.60 = 6,993,393.60 : x
  2. Step 2: Convert to fraction form
    7,777,214.40/11,665,821.60 = 6,993,393.60/x
  3. Step 3: Cross multiply
    7,777,214.40x = 11,665,821.60 × 6,993,393.60
  4. Step 4: Simplify right side
    7,777,214.40x = 81,583,682,116,181.75
  5. Step 5: Solve for x
    x = 81,583,682,116,181.75/7,777,214.40
  6. Step 6: Final answer
    x = 10,490,090.40

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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.