Finding the Fourth Proportional to 18,374,994.64, 27,565,014.30 and 6,241,200.62
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Solution
The fourth proportional to 18,374,994.64, 27,565,014.30 and 6,241,200.62 is: 9,362,657.66
Step by Step Solution
- Step 1: Write the proportion equation
18,374,994.64 : 27,565,014.30 = 6,241,200.62 : x - Step 2: Convert to fraction form
18,374,994.64/27,565,014.30 = 6,241,200.62/x - Step 3: Cross multiply
18,374,994.64x = 27,565,014.30 × 6,241,200.62 - Step 4: Simplify right side
18,374,994.64x = 172,038,784,339,468.88 - Step 5: Solve for x
x = 172,038,784,339,468.88/18,374,994.64 - Step 6: Final answer
x = 9,362,657.66
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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.