Finding the Fourth Proportional to 7,298,986.05, 10,072,193.70 and 4,035,604.77
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Solution
The fourth proportional to 7,298,986.05, 10,072,193.70 and 4,035,604.77 is: 5,568,909.53
Step by Step Solution
- Step 1: Write the proportion equation
7,298,986.05 : 10,072,193.70 = 4,035,604.77 : x - Step 2: Convert to fraction form
7,298,986.05/10,072,193.70 = 4,035,604.77/x - Step 3: Cross multiply
7,298,986.05x = 10,072,193.70 × 4,035,604.77 - Step 4: Simplify right side
7,298,986.05x = 40,647,392,940,083.95 - Step 5: Solve for x
x = 40,647,392,940,083.95/7,298,986.05 - Step 6: Final answer
x = 5,568,909.53
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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.