Finding the Fourth Proportional to 8,579,020.48, 12,868,522.44 and 2,189,272.84
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Solution
The fourth proportional to 8,579,020.48, 12,868,522.44 and 2,189,272.84 is: 3,283,907.15
Step by Step Solution
- Step 1: Write the proportion equation
8,579,020.48 : 12,868,522.44 = 2,189,272.84 : x - Step 2: Convert to fraction form
8,579,020.48/12,868,522.44 = 2,189,272.84/x - Step 3: Cross multiply
8,579,020.48x = 12,868,522.44 × 2,189,272.84 - Step 4: Simplify right side
8,579,020.48x = 28,172,706,668,822.53 - Step 5: Solve for x
x = 28,172,706,668,822.53/8,579,020.48 - Step 6: Final answer
x = 3,283,907.15
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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.