Home / 12,018,122.94-18,027,184.41-2,920,173.78

Finding the Fourth Proportional to 12,018,122.94, 18,027,184.41 and 2,920,173.78

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Solution

The fourth proportional to 12,018,122.94, 18,027,184.41 and 2,920,173.78 is: 4,380,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,122.94 : 18,027,184.41 = 2,920,173.78 : x
  2. Step 2: Convert to fraction form
    12,018,122.94/18,027,184.41 = 2,920,173.78/x
  3. Step 3: Cross multiply
    12,018,122.94x = 18,027,184.41 × 2,920,173.78
  4. Step 4: Simplify right side
    12,018,122.94x = 52,642,511,241,306.77
  5. Step 5: Solve for x
    x = 52,642,511,241,306.77/12,018,122.94
  6. Step 6: Final answer
    x = 4,380,260.67

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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.