Finding the Fourth Proportional to 7,727,211.60, 11,592,372.60 and 6,473,720.40
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Solution
The fourth proportional to 7,727,211.60, 11,592,372.60 and 6,473,720.40 is: 9,711,883.52
Step by Step Solution
- Step 1: Write the proportion equation
7,727,211.60 : 11,592,372.60 = 6,473,720.40 : x - Step 2: Convert to fraction form
7,727,211.60/11,592,372.60 = 6,473,720.40/x - Step 3: Cross multiply
7,727,211.60x = 11,592,372.60 × 6,473,720.40 - Step 4: Simplify right side
7,727,211.60x = 75,045,778,985,021.05 - Step 5: Solve for x
x = 75,045,778,985,021.05/7,727,211.60 - Step 6: Final answer
x = 9,711,883.52
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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.