Finding the Fourth Proportional to 8,422,449.83, 11,623,093.61 and 4,751,355.05
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Solution
The fourth proportional to 8,422,449.83, 11,623,093.61 and 4,751,355.05 is: 6,556,933.62
Step by Step Solution
- Step 1: Write the proportion equation
8,422,449.83 : 11,623,093.61 = 4,751,355.05 : x - Step 2: Convert to fraction form
8,422,449.83/11,623,093.61 = 4,751,355.05/x - Step 3: Cross multiply
8,422,449.83x = 11,623,093.61 × 4,751,355.05 - Step 4: Simplify right side
8,422,449.83x = 55,225,444,438,623.99 - Step 5: Solve for x
x = 55,225,444,438,623.99/8,422,449.83 - Step 6: Final answer
x = 6,556,933.62
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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.