Finding the Fourth Proportional to 8,403,394.20, 12,604,313.68 and 2,338,217.88
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Solution
The fourth proportional to 8,403,394.20, 12,604,313.68 and 2,338,217.88 is: 3,507,110.45
Step by Step Solution
- Step 1: Write the proportion equation
8,403,394.20 : 12,604,313.68 = 2,338,217.88 : x - Step 2: Convert to fraction form
8,403,394.20/12,604,313.68 = 2,338,217.88/x - Step 3: Cross multiply
8,403,394.20x = 12,604,313.68 × 2,338,217.88 - Step 4: Simplify right side
8,403,394.20x = 29,471,631,611,704.60 - Step 5: Solve for x
x = 29,471,631,611,704.60/8,403,394.20 - Step 6: Final answer
x = 3,507,110.45
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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.