Finding the Fourth Proportional to 7,257,214, 10,014,582.12 and 3,994,338.48
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Solution
The fourth proportional to 7,257,214, 10,014,582.12 and 3,994,338.48 is: 5,511,981.69
Step by Step Solution
- Step 1: Write the proportion equation
7,257,214 : 10,014,582.12 = 3,994,338.48 : x - Step 2: Convert to fraction form
7,257,214/10,014,582.12 = 3,994,338.48/x - Step 3: Cross multiply
7,257,214x = 10,014,582.12 × 3,994,338.48 - Step 4: Simplify right side
7,257,214x = 40,001,630,723,035.98 - Step 5: Solve for x
x = 40,001,630,723,035.98/7,257,214 - Step 6: Final answer
x = 5,511,981.69
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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.