Finding the Fourth Proportional to 16,632,403.10, 24,948,604.65 and 12,153,427.10
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Solution
The fourth proportional to 16,632,403.10, 24,948,604.65 and 12,153,427.10 is: 18,230,140.65
Step by Step Solution
- Step 1: Write the proportion equation
16,632,403.10 : 24,948,604.65 = 12,153,427.10 : x - Step 2: Convert to fraction form
16,632,403.10/24,948,604.65 = 12,153,427.10/x - Step 3: Cross multiply
16,632,403.10x = 24,948,604.65 × 12,153,427.10 - Step 4: Simplify right side
16,632,403.10x = 303,211,047,860,496 - Step 5: Solve for x
x = 303,211,047,860,496/16,632,403.10 - Step 6: Final answer
x = 18,230,140.65
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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.