Home / 12,145,083.89-18,220,816.42-4,364,783.90

Finding the Fourth Proportional to 12,145,083.89, 18,220,816.42 and 4,364,783.90

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Solution

The fourth proportional to 12,145,083.89, 18,220,816.42 and 4,364,783.90 is: 6,548,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,083.89 : 18,220,816.42 = 4,364,783.90 : x
  2. Step 2: Convert to fraction form
    12,145,083.89/18,220,816.42 = 4,364,783.90/x
  3. Step 3: Cross multiply
    12,145,083.89x = 18,220,816.42 × 4,364,783.90
  4. Step 4: Simplify right side
    12,145,083.89x = 79,529,926,121,183.66
  5. Step 5: Solve for x
    x = 79,529,926,121,183.66/12,145,083.89
  6. Step 6: Final answer
    x = 6,548,322.50

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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.