Finding the Fourth Proportional to 6,002,888.09, 8,278,389.57 and 5,557,031.09
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Solution
The fourth proportional to 6,002,888.09, 8,278,389.57 and 5,557,031.09 is: 7,663,522.54
Step by Step Solution
- Step 1: Write the proportion equation
6,002,888.09 : 8,278,389.57 = 5,557,031.09 : x - Step 2: Convert to fraction form
6,002,888.09/8,278,389.57 = 5,557,031.09/x - Step 3: Cross multiply
6,002,888.09x = 8,278,389.57 × 5,557,031.09 - Step 4: Simplify right side
6,002,888.09x = 46,003,268,174,229.78 - Step 5: Solve for x
x = 46,003,268,174,229.78/6,002,888.09 - Step 6: Final answer
x = 7,663,522.54
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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.