Finding the Fourth Proportional to 7,965,525.60, 10,989,213.84 and 4,610,485.08
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Solution
The fourth proportional to 7,965,525.60, 10,989,213.84 and 4,610,485.08 is: 6,360,610.59
Step by Step Solution
- Step 1: Write the proportion equation
7,965,525.60 : 10,989,213.84 = 4,610,485.08 : x - Step 2: Convert to fraction form
7,965,525.60/10,989,213.84 = 4,610,485.08/x - Step 3: Cross multiply
7,965,525.60x = 10,989,213.84 × 4,610,485.08 - Step 4: Simplify right side
7,965,525.60x = 50,665,606,450,249.51 - Step 5: Solve for x
x = 50,665,606,450,249.51/7,965,525.60 - Step 6: Final answer
x = 6,360,610.59
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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.