Finding the Fourth Proportional to 7,338,348.57, 11,008,398.26 and 3,549,108.63
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Solution
The fourth proportional to 7,338,348.57, 11,008,398.26 and 3,549,108.63 is: 5,324,086.32
Step by Step Solution
- Step 1: Write the proportion equation
7,338,348.57 : 11,008,398.26 = 3,549,108.63 : x - Step 2: Convert to fraction form
7,338,348.57/11,008,398.26 = 3,549,108.63/x - Step 3: Cross multiply
7,338,348.57x = 11,008,398.26 × 3,549,108.63 - Step 4: Simplify right side
7,338,348.57x = 39,070,001,267,042.98 - Step 5: Solve for x
x = 39,070,001,267,042.98/7,338,348.57 - Step 6: Final answer
x = 5,324,086.32
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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.