Home / 12,005,712.58-18,005,873.60-5,522,561.41

Finding the Fourth Proportional to 12,005,712.58, 18,005,873.60 and 5,522,561.41

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Solution

The fourth proportional to 12,005,712.58, 18,005,873.60 and 5,522,561.41 is: 8,282,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,712.58 : 18,005,873.60 = 5,522,561.41 : x
  2. Step 2: Convert to fraction form
    12,005,712.58/18,005,873.60 = 5,522,561.41/x
  3. Step 3: Cross multiply
    12,005,712.58x = 18,005,873.60 × 5,522,561.41
  4. Step 4: Simplify right side
    12,005,712.58x = 99,438,542,691,592.30
  5. Step 5: Solve for x
    x = 99,438,542,691,592.30/12,005,712.58
  6. Step 6: Final answer
    x = 8,282,602.30

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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.