Home / 8,315,201.20-12,471,635.40-2,635,999.60

Finding the Fourth Proportional to 8,315,201.20, 12,471,635.40 and 2,635,999.60

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Solution

The fourth proportional to 8,315,201.20, 12,471,635.40 and 2,635,999.60 is: 3,953,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,201.20 : 12,471,635.40 = 2,635,999.60 : x
  2. Step 2: Convert to fraction form
    8,315,201.20/12,471,635.40 = 2,635,999.60/x
  3. Step 3: Cross multiply
    8,315,201.20x = 12,471,635.40 × 2,635,999.60
  4. Step 4: Simplify right side
    8,315,201.20x = 32,875,225,925,745.84
  5. Step 5: Solve for x
    x = 32,875,225,925,745.84/8,315,201.20
  6. Step 6: Final answer
    x = 3,953,629.64

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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.