Finding the Fourth Proportional to 21,548,550.06, 29,737,630.98 and 11,759,626.35
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Solution
The fourth proportional to 21,548,550.06, 29,737,630.98 and 11,759,626.35 is: 16,228,629.21
Step by Step Solution
- Step 1: Write the proportion equation
21,548,550.06 : 29,737,630.98 = 11,759,626.35 : x - Step 2: Convert to fraction form
21,548,550.06/29,737,630.98 = 11,759,626.35/x - Step 3: Cross multiply
21,548,550.06x = 29,737,630.98 × 11,759,626.35 - Step 4: Simplify right side
21,548,550.06x = 349,703,428,858,984.31 - Step 5: Solve for x
x = 349,703,428,858,984.31/21,548,550.06 - Step 6: Final answer
x = 16,228,629.21
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1.5x scale
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.