Finding the Fourth Proportional to 7,321,998.57, 10,104,440.22 and 4,182,677.99
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Solution
The fourth proportional to 7,321,998.57, 10,104,440.22 and 4,182,677.99 is: 5,772,142.58
Step by Step Solution
- Step 1: Write the proportion equation
7,321,998.57 : 10,104,440.22 = 4,182,677.99 : x - Step 2: Convert to fraction form
7,321,998.57/10,104,440.22 = 4,182,677.99/x - Step 3: Cross multiply
7,321,998.57x = 10,104,440.22 × 4,182,677.99 - Step 4: Simplify right side
7,321,998.57x = 42,263,619,709,464.77 - Step 5: Solve for x
x = 42,263,619,709,464.77/7,321,998.57 - Step 6: Final answer
x = 5,772,142.58
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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.