Finding the Fourth Proportional to 7,534,691.18, 11,302,036.77 and 2,215,907.18
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Solution
The fourth proportional to 7,534,691.18, 11,302,036.77 and 2,215,907.18 is: 3,323,860.77
Step by Step Solution
- Step 1: Write the proportion equation
7,534,691.18 : 11,302,036.77 = 2,215,907.18 : x - Step 2: Convert to fraction form
7,534,691.18/11,302,036.77 = 2,215,907.18/x - Step 3: Cross multiply
7,534,691.18x = 11,302,036.77 × 2,215,907.18 - Step 4: Simplify right side
7,534,691.18x = 25,044,264,427,267.01 - Step 5: Solve for x
x = 25,044,264,427,267.01/7,534,691.18 - Step 6: Final answer
x = 3,323,860.77
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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.