Finding the Fourth Proportional to 6,516,926.07, 8,993,780.09 and 3,616,323.76
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Solution
The fourth proportional to 6,516,926.07, 8,993,780.09 and 3,616,323.76 is: 4,990,761.02
Step by Step Solution
- Step 1: Write the proportion equation
6,516,926.07 : 8,993,780.09 = 3,616,323.76 : x - Step 2: Convert to fraction form
6,516,926.07/8,993,780.09 = 3,616,323.76/x - Step 3: Cross multiply
6,516,926.07x = 8,993,780.09 × 3,616,323.76 - Step 4: Simplify right side
6,516,926.07x = 32,524,420,631,681.94 - Step 5: Solve for x
x = 32,524,420,631,681.94/6,516,926.07 - Step 6: Final answer
x = 4,990,761.02
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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.