Finding the Fourth Proportional to 8,631,546.48, 12,947,316.12 and 2,566,251.96
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Solution
The fourth proportional to 8,631,546.48, 12,947,316.12 and 2,566,251.96 is: 3,849,376.87
Step by Step Solution
- Step 1: Write the proportion equation
8,631,546.48 : 12,947,316.12 = 2,566,251.96 : x - Step 2: Convert to fraction form
8,631,546.48/12,947,316.12 = 2,566,251.96/x - Step 3: Cross multiply
8,631,546.48x = 12,947,316.12 × 2,566,251.96 - Step 4: Simplify right side
8,631,546.48x = 33,226,075,369,689.59 - Step 5: Solve for x
x = 33,226,075,369,689.59/8,631,546.48 - Step 6: Final answer
x = 3,849,376.87
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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.