Finding the Fourth Proportional to 7,368,124.39, 11,000,379.50 and 5,629,897.06
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Solution
The fourth proportional to 7,368,124.39, 11,000,379.50 and 5,629,897.06 is: 8,405,260.41
Step by Step Solution
- Step 1: Write the proportion equation
7,368,124.39 : 11,000,379.50 = 5,629,897.06 : x - Step 2: Convert to fraction form
7,368,124.39/11,000,379.50 = 5,629,897.06/x - Step 3: Cross multiply
7,368,124.39x = 11,000,379.50 × 5,629,897.06 - Step 4: Simplify right side
7,368,124.39x = 61,931,004,205,934.27 - Step 5: Solve for x
x = 61,931,004,205,934.27/7,368,124.39 - Step 6: Final answer
x = 8,405,260.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.