Finding the Fourth Proportional to 7,977,893.96, 11,962,641.90 and 5,454,270.92
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Solution
The fourth proportional to 7,977,893.96, 11,962,641.90 and 5,454,270.92 is: 8,178,535.61
Step by Step Solution
- Step 1: Write the proportion equation
7,977,893.96 : 11,962,641.90 = 5,454,270.92 : x - Step 2: Convert to fraction form
7,977,893.96/11,962,641.90 = 5,454,270.92/x - Step 3: Cross multiply
7,977,893.96x = 11,962,641.90 × 5,454,270.92 - Step 4: Simplify right side
7,977,893.96x = 65,247,489,841,543.55 - Step 5: Solve for x
x = 65,247,489,841,543.55/7,977,893.96 - Step 6: Final answer
x = 8,178,535.61
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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.