Finding the Fourth Proportional to 13,990,913.06, 19,306,950.30 and 7,795,639.68
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Solution
The fourth proportional to 13,990,913.06, 19,306,950.30 and 7,795,639.68 is: 10,757,698.74
Step by Step Solution
- Step 1: Write the proportion equation
13,990,913.06 : 19,306,950.30 = 7,795,639.68 : x - Step 2: Convert to fraction form
13,990,913.06/19,306,950.30 = 7,795,639.68/x - Step 3: Cross multiply
13,990,913.06x = 19,306,950.30 × 7,795,639.68 - Step 4: Simplify right side
13,990,913.06x = 150,510,027,858,467.91 - Step 5: Solve for x
x = 150,510,027,858,467.91/13,990,913.06 - Step 6: Final answer
x = 10,757,698.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.