Finding the Fourth Proportional to 8,413,683.12, 11,630,496.60 and 7,504,918.92
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Solution
The fourth proportional to 8,413,683.12, 11,630,496.60 and 7,504,918.92 is: 10,374,283.50
Step by Step Solution
- Step 1: Write the proportion equation
8,413,683.12 : 11,630,496.60 = 7,504,918.92 : x - Step 2: Convert to fraction form
8,413,683.12/11,630,496.60 = 7,504,918.92/x - Step 3: Cross multiply
8,413,683.12x = 11,630,496.60 × 7,504,918.92 - Step 4: Simplify right side
8,413,683.12x = 87,285,933,982,335.67 - Step 5: Solve for x
x = 87,285,933,982,335.67/8,413,683.12 - Step 6: Final answer
x = 10,374,283.50
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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.