Finding the Fourth Proportional to 25,177,621.99, 37,766,433.08 and 8,138,294.91
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Solution
The fourth proportional to 25,177,621.99, 37,766,433.08 and 8,138,294.91 is: 12,207,442.40
Step by Step Solution
- Step 1: Write the proportion equation
25,177,621.99 : 37,766,433.08 = 8,138,294.91 : x - Step 2: Convert to fraction form
25,177,621.99/37,766,433.08 = 8,138,294.91/x - Step 3: Cross multiply
25,177,621.99x = 37,766,433.08 × 8,138,294.91 - Step 4: Simplify right side
25,177,621.99x = 307,354,370,103,819.62 - Step 5: Solve for x
x = 307,354,370,103,819.62/25,177,621.99 - Step 6: Final answer
x = 12,207,442.40
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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.