Finding the Fourth Proportional to 7,898,997.96, 11,847,286.80 and 2,506,949.46
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Solution
The fourth proportional to 7,898,997.96, 11,847,286.80 and 2,506,949.46 is: 3,760,040.12
Step by Step Solution
- Step 1: Write the proportion equation
7,898,997.96 : 11,847,286.80 = 2,506,949.46 : x - Step 2: Convert to fraction form
7,898,997.96/11,847,286.80 = 2,506,949.46/x - Step 3: Cross multiply
7,898,997.96x = 11,847,286.80 × 2,506,949.46 - Step 4: Simplify right side
7,898,997.96x = 29,700,549,245,725.13 - Step 5: Solve for x
x = 29,700,549,245,725.13/7,898,997.96 - Step 6: Final answer
x = 3,760,040.12
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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.