Finding the Fourth Proportional to 8,603,518.05, 11,873,281.20 and 4,735,998.09
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Solution
The fourth proportional to 8,603,518.05, 11,873,281.20 and 4,735,998.09 is: 6,535,912.03
Step by Step Solution
- Step 1: Write the proportion equation
8,603,518.05 : 11,873,281.20 = 4,735,998.09 : x - Step 2: Convert to fraction form
8,603,518.05/11,873,281.20 = 4,735,998.09/x - Step 3: Cross multiply
8,603,518.05x = 11,873,281.20 × 4,735,998.09 - Step 4: Simplify right side
8,603,518.05x = 56,231,837,085,232.91 - Step 5: Solve for x
x = 56,231,837,085,232.91/8,603,518.05 - Step 6: Final answer
x = 6,535,912.03
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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.