Finding the Fourth Proportional to 8,201,196.77, 11,315,380.12 and 4,716,346.19
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Solution
The fourth proportional to 8,201,196.77, 11,315,380.12 and 4,716,346.19 is: 6,507,251.49
Step by Step Solution
- Step 1: Write the proportion equation
8,201,196.77 : 11,315,380.12 = 4,716,346.19 : x - Step 2: Convert to fraction form
8,201,196.77/11,315,380.12 = 4,716,346.19/x - Step 3: Cross multiply
8,201,196.77x = 11,315,380.12 × 4,716,346.19 - Step 4: Simplify right side
8,201,196.77x = 53,367,249,848,995.97 - Step 5: Solve for x
x = 53,367,249,848,995.97/8,201,196.77 - Step 6: Final answer
x = 6,507,251.49
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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.