Finding the Fourth Proportional to 7,328,847.60, 11,000,269.80 and 6,265,090.80
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Solution
The fourth proportional to 7,328,847.60, 11,000,269.80 and 6,265,090.80 is: 9,403,618.81
Step by Step Solution
- Step 1: Write the proportion equation
7,328,847.60 : 11,000,269.80 = 6,265,090.80 : x - Step 2: Convert to fraction form
7,328,847.60/11,000,269.80 = 6,265,090.80/x - Step 3: Cross multiply
7,328,847.60x = 11,000,269.80 × 6,265,090.80 - Step 4: Simplify right side
7,328,847.60x = 68,917,689,121,497.84 - Step 5: Solve for x
x = 68,917,689,121,497.84/7,328,847.60 - Step 6: Final answer
x = 9,403,618.81
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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.