Finding the Fourth Proportional to 8,603,519.05, 11,873,282.58 and 4,735,999.09
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Solution
The fourth proportional to 8,603,519.05, 11,873,282.58 and 4,735,999.09 is: 6,535,913.41
Step by Step Solution
- Step 1: Write the proportion equation
8,603,519.05 : 11,873,282.58 = 4,735,999.09 : x - Step 2: Convert to fraction form
8,603,519.05/11,873,282.58 = 4,735,999.09/x - Step 3: Cross multiply
8,603,519.05x = 11,873,282.58 × 4,735,999.09 - Step 4: Simplify right side
8,603,519.05x = 56,231,855,494,192.85 - Step 5: Solve for x
x = 56,231,855,494,192.85/8,603,519.05 - Step 6: Final answer
x = 6,535,913.41
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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.