Finding the Fourth Proportional to 8,883,007.23, 12,258,634.49 and 5,211,986.26
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Solution
The fourth proportional to 8,883,007.23, 12,258,634.49 and 5,211,986.26 is: 7,192,590.63
Step by Step Solution
- Step 1: Write the proportion equation
8,883,007.23 : 12,258,634.49 = 5,211,986.26 : x - Step 2: Convert to fraction form
8,883,007.23/12,258,634.49 = 5,211,986.26/x - Step 3: Cross multiply
8,883,007.23x = 12,258,634.49 × 5,211,986.26 - Step 4: Simplify right side
8,883,007.23x = 63,891,834,528,242.11 - Step 5: Solve for x
x = 63,891,834,528,242.11/8,883,007.23 - Step 6: Final answer
x = 7,192,590.63
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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.