Finding the Fourth Proportional to 7,512,140.70, 11,268,211.05 and 4,677,788.70
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Solution
The fourth proportional to 7,512,140.70, 11,268,211.05 and 4,677,788.70 is: 7,016,683.05
Step by Step Solution
- Step 1: Write the proportion equation
7,512,140.70 : 11,268,211.05 = 4,677,788.70 : x - Step 2: Convert to fraction form
7,512,140.70/11,268,211.05 = 4,677,788.70/x - Step 3: Cross multiply
7,512,140.70x = 11,268,211.05 × 4,677,788.70 - Step 4: Simplify right side
7,512,140.70x = 52,710,310,318,905.14 - Step 5: Solve for x
x = 52,710,310,318,905.14/7,512,140.70 - Step 6: Final answer
x = 7,016,683.05
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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.