Home / 12,146,807.35-18,220,245.63-3,511,610.77

Finding the Fourth Proportional to 12,146,807.35, 18,220,245.63 and 3,511,610.77

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Solution

The fourth proportional to 12,146,807.35, 18,220,245.63 and 3,511,610.77 is: 5,267,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,807.35 : 18,220,245.63 = 3,511,610.77 : x
  2. Step 2: Convert to fraction form
    12,146,807.35/18,220,245.63 = 3,511,610.77/x
  3. Step 3: Cross multiply
    12,146,807.35x = 18,220,245.63 × 3,511,610.77
  4. Step 4: Simplify right side
    12,146,807.35x = 63,982,410,786,353.43
  5. Step 5: Solve for x
    x = 63,982,410,786,353.43/12,146,807.35
  6. Step 6: Final answer
    x = 5,267,426.16

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1.5x scale

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.