Finding the Fourth Proportional to 8,612,958.84, 12,907,250.98 and 4,776,468.63
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Solution
The fourth proportional to 8,612,958.84, 12,907,250.98 and 4,776,468.63 is: 7,157,944.27
Step by Step Solution
- Step 1: Write the proportion equation
8,612,958.84 : 12,907,250.98 = 4,776,468.63 : x - Step 2: Convert to fraction form
8,612,958.84/12,907,250.98 = 4,776,468.63/x - Step 3: Cross multiply
8,612,958.84x = 12,907,250.98 × 4,776,468.63 - Step 4: Simplify right side
8,612,958.84x = 61,651,079,405,506.76 - Step 5: Solve for x
x = 61,651,079,405,506.76/8,612,958.84 - Step 6: Final answer
x = 7,157,944.27
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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.