Finding the Fourth Proportional to 7,672,749.05, 10,586,813.09 and 4,408,933.21
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Solution
The fourth proportional to 7,672,749.05, 10,586,813.09 and 4,408,933.21 is: 6,083,419.58
Step by Step Solution
- Step 1: Write the proportion equation
7,672,749.05 : 10,586,813.09 = 4,408,933.21 : x - Step 2: Convert to fraction form
7,672,749.05/10,586,813.09 = 4,408,933.21/x - Step 3: Cross multiply
7,672,749.05x = 10,586,813.09 × 4,408,933.21 - Step 4: Simplify right side
7,672,749.05x = 46,676,551,820,563.72 - Step 5: Solve for x
x = 46,676,551,820,563.72/7,672,749.05 - Step 6: Final answer
x = 6,083,419.58
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1.5x scale
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.