Finding the Fourth Proportional to 15,689,211.60, 23,542,176.60 and 6,104,902.80
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Solution
The fourth proportional to 15,689,211.60, 23,542,176.60 and 6,104,902.80 is: 9,160,606.89
Step by Step Solution
- Step 1: Write the proportion equation
15,689,211.60 : 23,542,176.60 = 6,104,902.80 : x - Step 2: Convert to fraction form
15,689,211.60/23,542,176.60 = 6,104,902.80/x - Step 3: Cross multiply
15,689,211.60x = 23,542,176.60 × 6,104,902.80 - Step 4: Simplify right side
15,689,211.60x = 143,722,699,843,434.50 - Step 5: Solve for x
x = 143,722,699,843,434.50/15,689,211.60 - Step 6: Final answer
x = 9,160,606.89
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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.