Finding the Fourth Proportional to 7,898,235.92, 11,847,813.14 and 2,218,903.10
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Solution
The fourth proportional to 7,898,235.92, 11,847,813.14 and 2,218,903.10 is: 3,328,483.67
Step by Step Solution
- Step 1: Write the proportion equation
7,898,235.92 : 11,847,813.14 = 2,218,903.10 : x - Step 2: Convert to fraction form
7,898,235.92/11,847,813.14 = 2,218,903.10/x - Step 3: Cross multiply
7,898,235.92x = 11,847,813.14 × 2,218,903.10 - Step 4: Simplify right side
7,898,235.92x = 26,289,149,250,874.93 - Step 5: Solve for x
x = 26,289,149,250,874.93/7,898,235.92 - Step 6: Final answer
x = 3,328,483.67
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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.