Home / 12,629,503.18-18,939,552.72-4,540,271.32

Finding the Fourth Proportional to 12,629,503.18, 18,939,552.72 and 4,540,271.32

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Solution

The fourth proportional to 12,629,503.18, 18,939,552.72 and 4,540,271.32 is: 6,808,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,503.18 : 18,939,552.72 = 4,540,271.32 : x
  2. Step 2: Convert to fraction form
    12,629,503.18/18,939,552.72 = 4,540,271.32/x
  3. Step 3: Cross multiply
    12,629,503.18x = 18,939,552.72 × 4,540,271.32
  4. Step 4: Simplify right side
    12,629,503.18x = 85,990,708,028,243.98
  5. Step 5: Solve for x
    x = 85,990,708,028,243.98/12,629,503.18
  6. Step 6: Final answer
    x = 6,808,716.61

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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.