Finding the Fourth Proportional to 10,220,741.46, 15,341,745.87 and 7,528,107.06
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Solution
The fourth proportional to 10,220,741.46, 15,341,745.87 and 7,528,107.06 is: 11,299,992.85
Step by Step Solution
- Step 1: Write the proportion equation
10,220,741.46 : 15,341,745.87 = 7,528,107.06 : x - Step 2: Convert to fraction form
10,220,741.46/15,341,745.87 = 7,528,107.06/x - Step 3: Cross multiply
10,220,741.46x = 15,341,745.87 × 7,528,107.06 - Step 4: Simplify right side
10,220,741.46x = 115,494,305,396,672.83 - Step 5: Solve for x
x = 115,494,305,396,672.83/10,220,741.46 - Step 6: Final answer
x = 11,299,992.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.