Finding the Fourth Proportional to 7,862,069.08, 10,849,633.19 and 4,424,310.11
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Solution
The fourth proportional to 7,862,069.08, 10,849,633.19 and 4,424,310.11 is: 6,105,535.49
Step by Step Solution
- Step 1: Write the proportion equation
7,862,069.08 : 10,849,633.19 = 4,424,310.11 : x - Step 2: Convert to fraction form
7,862,069.08/10,849,633.19 = 4,424,310.11/x - Step 3: Cross multiply
7,862,069.08x = 10,849,633.19 × 4,424,310.11 - Step 4: Simplify right side
7,862,069.08x = 48,002,141,833,902.25 - Step 5: Solve for x
x = 48,002,141,833,902.25/7,862,069.08 - Step 6: Final answer
x = 6,105,535.49
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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.