Finding the Fourth Proportional to 12,341,511.24, 17,025,633.05 and 7,991,998.62
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Solution
The fourth proportional to 12,341,511.24, 17,025,633.05 and 7,991,998.62 is: 11,025,297.73
Step by Step Solution
- Step 1: Write the proportion equation
12,341,511.24 : 17,025,633.05 = 7,991,998.62 : x - Step 2: Convert to fraction form
12,341,511.24/17,025,633.05 = 7,991,998.62/x - Step 3: Cross multiply
12,341,511.24x = 17,025,633.05 × 7,991,998.62 - Step 4: Simplify right side
12,341,511.24x = 136,068,835,800,266.42 - Step 5: Solve for x
x = 136,068,835,800,266.42/12,341,511.24 - Step 6: Final answer
x = 11,025,297.73
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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.