Finding the Fourth Proportional to 8,350,368.62, 11,523,313.14 and 4,912,830.68
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Solution
The fourth proportional to 8,350,368.62, 11,523,313.14 and 4,912,830.68 is: 6,779,591.29
Step by Step Solution
- Step 1: Write the proportion equation
8,350,368.62 : 11,523,313.14 = 4,912,830.68 : x - Step 2: Convert to fraction form
8,350,368.62/11,523,313.14 = 4,912,830.68/x - Step 3: Cross multiply
8,350,368.62x = 11,523,313.14 × 4,912,830.68 - Step 4: Simplify right side
8,350,368.62x = 56,612,086,329,439.13 - Step 5: Solve for x
x = 56,612,086,329,439.13/8,350,368.62 - Step 6: Final answer
x = 6,779,591.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.