Finding the Fourth Proportional to 7,456,464.84, 10,289,823.66 and 4,193,278.50
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Solution
The fourth proportional to 7,456,464.84, 10,289,823.66 and 4,193,278.50 is: 5,786,669.32
Step by Step Solution
- Step 1: Write the proportion equation
7,456,464.84 : 10,289,823.66 = 4,193,278.50 : x - Step 2: Convert to fraction form
7,456,464.84/10,289,823.66 = 4,193,278.50/x - Step 3: Cross multiply
7,456,464.84x = 10,289,823.66 × 4,193,278.50 - Step 4: Simplify right side
7,456,464.84x = 43,148,096,322,269.31 - Step 5: Solve for x
x = 43,148,096,322,269.31/7,456,464.84 - Step 6: Final answer
x = 5,786,669.32
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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.