Home / 12,018,412.37-18,015,021.43-4,440,544.85

Finding the Fourth Proportional to 12,018,412.37, 18,015,021.43 and 4,440,544.85

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Solution

The fourth proportional to 12,018,412.37, 18,015,021.43 and 4,440,544.85 is: 6,656,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,412.37 : 18,015,021.43 = 4,440,544.85 : x
  2. Step 2: Convert to fraction form
    12,018,412.37/18,015,021.43 = 4,440,544.85/x
  3. Step 3: Cross multiply
    12,018,412.37x = 18,015,021.43 × 4,440,544.85
  4. Step 4: Simplify right side
    12,018,412.37x = 79,996,510,633,626.12
  5. Step 5: Solve for x
    x = 79,996,510,633,626.12/12,018,412.37
  6. Step 6: Final answer
    x = 6,656,162.91

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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.