Finding the Fourth Proportional to 8,048,756.08, 11,107,275.42 and 4,611,010.78
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Solution
The fourth proportional to 8,048,756.08, 11,107,275.42 and 4,611,010.78 is: 6,363,190.31
Step by Step Solution
- Step 1: Write the proportion equation
8,048,756.08 : 11,107,275.42 = 4,611,010.78 : x - Step 2: Convert to fraction form
8,048,756.08/11,107,275.42 = 4,611,010.78/x - Step 3: Cross multiply
8,048,756.08x = 11,107,275.42 × 4,611,010.78 - Step 4: Simplify right side
8,048,756.08x = 51,215,766,698,049.03 - Step 5: Solve for x
x = 51,215,766,698,049.03/8,048,756.08 - Step 6: Final answer
x = 6,363,190.31
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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.