Home / 12,029,783-18,037,468.32-3,828,882.86

Finding the Fourth Proportional to 12,029,783, 18,037,468.32 and 3,828,882.86

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Solution

The fourth proportional to 12,029,783, 18,037,468.32 and 3,828,882.86 is: 5,741,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,783 : 18,037,468.32 = 3,828,882.86 : x
  2. Step 2: Convert to fraction form
    12,029,783/18,037,468.32 = 3,828,882.86/x
  3. Step 3: Cross multiply
    12,029,783x = 18,037,468.32 × 3,828,882.86
  4. Step 4: Simplify right side
    12,029,783x = 69,063,353,288,240.99
  5. Step 5: Solve for x
    x = 69,063,353,288,240.99/12,029,783
  6. Step 6: Final answer
    x = 5,741,030.68

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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.