Finding the Fourth Proportional to 8,416,993.84, 11,615,444.51 and 4,549,514.99
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Solution
The fourth proportional to 8,416,993.84, 11,615,444.51 and 4,549,514.99 is: 6,278,326.90
Step by Step Solution
- Step 1: Write the proportion equation
8,416,993.84 : 11,615,444.51 = 4,549,514.99 : x - Step 2: Convert to fraction form
8,416,993.84/11,615,444.51 = 4,549,514.99/x - Step 3: Cross multiply
8,416,993.84x = 11,615,444.51 × 4,549,514.99 - Step 4: Simplify right side
8,416,993.84x = 52,844,638,832,933.41 - Step 5: Solve for x
x = 52,844,638,832,933.41/8,416,993.84 - Step 6: Final answer
x = 6,278,326.90
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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.