Finding the Fourth Proportional to 8,350,426.62, 11,523,393.18 and 4,912,888.68
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Solution
The fourth proportional to 8,350,426.62, 11,523,393.18 and 4,912,888.68 is: 6,779,671.33
Step by Step Solution
- Step 1: Write the proportion equation
8,350,426.62 : 11,523,393.18 = 4,912,888.68 : x - Step 2: Convert to fraction form
8,350,426.62/11,523,393.18 = 4,912,888.68/x - Step 3: Cross multiply
8,350,426.62x = 11,523,393.18 × 4,912,888.68 - Step 4: Simplify right side
8,350,426.62x = 56,613,147,909,211.20 - Step 5: Solve for x
x = 56,613,147,909,211.20/8,350,426.62 - Step 6: Final answer
x = 6,779,671.33
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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.