Finding the Fourth Proportional to 16,403,909.60, 24,605,734.80 and 4,273,349.60
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Solution
The fourth proportional to 16,403,909.60, 24,605,734.80 and 4,273,349.60 is: 6,409,990.64
Step by Step Solution
- Step 1: Write the proportion equation
16,403,909.60 : 24,605,734.80 = 4,273,349.60 : x - Step 2: Convert to fraction form
16,403,909.60/24,605,734.80 = 4,273,349.60/x - Step 3: Cross multiply
16,403,909.60x = 24,605,734.80 × 4,273,349.60 - Step 4: Simplify right side
16,403,909.60x = 105,148,906,965,286.08 - Step 5: Solve for x
x = 105,148,906,965,286.08/16,403,909.60 - Step 6: Final answer
x = 6,409,990.64
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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.