Finding the Fourth Proportional to 7,638,950.85, 10,541,951.63 and 4,201,282.10
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Solution
The fourth proportional to 7,638,950.85, 10,541,951.63 and 4,201,282.10 is: 5,797,878.99
Step by Step Solution
- Step 1: Write the proportion equation
7,638,950.85 : 10,541,951.63 = 4,201,282.10 : x - Step 2: Convert to fraction form
7,638,950.85/10,541,951.63 = 4,201,282.10/x - Step 3: Cross multiply
7,638,950.85x = 10,541,951.63 × 4,201,282.10 - Step 4: Simplify right side
7,638,950.85x = 44,289,712,608,468.65 - Step 5: Solve for x
x = 44,289,712,608,468.65/7,638,950.85 - Step 6: Final answer
x = 5,797,878.99
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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.