Home / 6,663,962.40-9,994,906.80-1,871,181.60

Finding the Fourth Proportional to 6,663,962.40, 9,994,906.80 and 1,871,181.60

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Solution

The fourth proportional to 6,663,962.40, 9,994,906.80 and 1,871,181.60 is: 2,806,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,962.40 : 9,994,906.80 = 1,871,181.60 : x
  2. Step 2: Convert to fraction form
    6,663,962.40/9,994,906.80 = 1,871,181.60/x
  3. Step 3: Cross multiply
    6,663,962.40x = 9,994,906.80 × 1,871,181.60
  4. Step 4: Simplify right side
    6,663,962.40x = 18,702,285,697,874.88
  5. Step 5: Solve for x
    x = 18,702,285,697,874.88/6,663,962.40
  6. Step 6: Final answer
    x = 2,806,481.28

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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.