Finding the Fourth Proportional to 8,173,950.76, 11,280,054.90 and 4,738,189.96
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Solution
The fourth proportional to 8,173,950.76, 11,280,054.90 and 4,738,189.96 is: 6,538,703.80
Step by Step Solution
- Step 1: Write the proportion equation
8,173,950.76 : 11,280,054.90 = 4,738,189.96 : x - Step 2: Convert to fraction form
8,173,950.76/11,280,054.90 = 4,738,189.96/x - Step 3: Cross multiply
8,173,950.76x = 11,280,054.90 × 4,738,189.96 - Step 4: Simplify right side
8,173,950.76x = 53,447,042,875,428.80 - Step 5: Solve for x
x = 53,447,042,875,428.80/8,173,950.76 - Step 6: Final answer
x = 6,538,703.80
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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.