Finding the Fourth Proportional to 21,703,378.80, 32,560,252.20 and 6,557,458.80
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Solution
The fourth proportional to 21,703,378.80, 32,560,252.20 and 6,557,458.80 is: 9,837,754.49
Step by Step Solution
- Step 1: Write the proportion equation
21,703,378.80 : 32,560,252.20 = 6,557,458.80 : x - Step 2: Convert to fraction form
21,703,378.80/32,560,252.20 = 6,557,458.80/x - Step 3: Cross multiply
21,703,378.80x = 32,560,252.20 × 6,557,458.80 - Step 4: Simplify right side
21,703,378.80x = 213,512,512,319,109.34 - Step 5: Solve for x
x = 213,512,512,319,109.34/21,703,378.80 - Step 6: Final answer
x = 9,837,754.49
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1.5x scale
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.