Finding the Fourth Proportional to 7,407,083.05, 11,102,808.71 and 3,994,440.82
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Solution
The fourth proportional to 7,407,083.05, 11,102,808.71 and 3,994,440.82 is: 5,987,446.34
Step by Step Solution
- Step 1: Write the proportion equation
7,407,083.05 : 11,102,808.71 = 3,994,440.82 : x - Step 2: Convert to fraction form
7,407,083.05/11,102,808.71 = 3,994,440.82/x - Step 3: Cross multiply
7,407,083.05x = 11,102,808.71 × 3,994,440.82 - Step 4: Simplify right side
7,407,083.05x = 44,349,512,307,903.34 - Step 5: Solve for x
x = 44,349,512,307,903.34/7,407,083.05 - Step 6: Final answer
x = 5,987,446.34
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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.