Finding the Fourth Proportional to 16,128,439.60, 24,192,659.40 and 14,486,148.40
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Solution
The fourth proportional to 16,128,439.60, 24,192,659.40 and 14,486,148.40 is: 21,729,222.60
Step by Step Solution
- Step 1: Write the proportion equation
16,128,439.60 : 24,192,659.40 = 14,486,148.40 : x - Step 2: Convert to fraction form
16,128,439.60/24,192,659.40 = 14,486,148.40/x - Step 3: Cross multiply
16,128,439.60x = 24,192,659.40 × 14,486,148.40 - Step 4: Simplify right side
16,128,439.60x = 350,458,454,259,054.94 - Step 5: Solve for x
x = 350,458,454,259,054.94/16,128,439.60 - Step 6: Final answer
x = 21,729,222.60
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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.