Finding the Fourth Proportional to 8,416,994.84, 11,615,445.88 and 4,549,515.99
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Solution
The fourth proportional to 8,416,994.84, 11,615,445.88 and 4,549,515.99 is: 6,278,328.28
Step by Step Solution
- Step 1: Write the proportion equation
8,416,994.84 : 11,615,445.88 = 4,549,515.99 : x - Step 2: Convert to fraction form
8,416,994.84/11,615,445.88 = 4,549,515.99/x - Step 3: Cross multiply
8,416,994.84x = 11,615,445.88 × 4,549,515.99 - Step 4: Simplify right side
8,416,994.84x = 52,844,656,762,039.62 - Step 5: Solve for x
x = 52,844,656,762,039.62/8,416,994.84 - Step 6: Final answer
x = 6,278,328.28
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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.