Finding the Fourth Proportional to 16,129,235.60, 24,193,853.40 and 4,161,971.60
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Solution
The fourth proportional to 16,129,235.60, 24,193,853.40 and 4,161,971.60 is: 6,242,957.40
Step by Step Solution
- Step 1: Write the proportion equation
16,129,235.60 : 24,193,853.40 = 4,161,971.60 : x - Step 2: Convert to fraction form
16,129,235.60/24,193,853.40 = 4,161,971.60/x - Step 3: Cross multiply
16,129,235.60x = 24,193,853.40 × 4,161,971.60 - Step 4: Simplify right side
16,129,235.60x = 100,694,130,745,363.44 - Step 5: Solve for x
x = 100,694,130,745,363.44/16,129,235.60 - Step 6: Final answer
x = 6,242,957.40
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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.