Finding the Fourth Proportional to 25,702,956.20, 38,553,340.80 and 8,663,601.80
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Solution
The fourth proportional to 25,702,956.20, 38,553,340.80 and 8,663,601.80 is: 12,995,034.12
Step by Step Solution
- Step 1: Write the proportion equation
25,702,956.20 : 38,553,340.80 = 8,663,601.80 : x - Step 2: Convert to fraction form
25,702,956.20/38,553,340.80 = 8,663,601.80/x - Step 3: Cross multiply
25,702,956.20x = 38,553,340.80 × 8,663,601.80 - Step 4: Simplify right side
25,702,956.20x = 334,010,792,750,893.44 - Step 5: Solve for x
x = 334,010,792,750,893.44/25,702,956.20 - Step 6: Final answer
x = 12,995,034.12
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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.