Finding the Fourth Proportional to 6,868,163.10, 9,478,101.69 and 4,291,338.18
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Solution
The fourth proportional to 6,868,163.10, 9,478,101.69 and 4,291,338.18 is: 5,922,069.56
Step by Step Solution
- Step 1: Write the proportion equation
6,868,163.10 : 9,478,101.69 = 4,291,338.18 : x - Step 2: Convert to fraction form
6,868,163.10/9,478,101.69 = 4,291,338.18/x - Step 3: Cross multiply
6,868,163.10x = 9,478,101.69 × 4,291,338.18 - Step 4: Simplify right side
6,868,163.10x = 40,673,739,656,219.52 - Step 5: Solve for x
x = 40,673,739,656,219.52/6,868,163.10 - Step 6: Final answer
x = 5,922,069.56
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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.