Finding the Fourth Proportional to 7,811,720.86, 11,713,310.01 and 6,202,824.70
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Solution
The fourth proportional to 7,811,720.86, 11,713,310.01 and 6,202,824.70 is: 9,300,845.48
Step by Step Solution
- Step 1: Write the proportion equation
7,811,720.86 : 11,713,310.01 = 6,202,824.70 : x - Step 2: Convert to fraction form
7,811,720.86/11,713,310.01 = 6,202,824.70/x - Step 3: Cross multiply
7,811,720.86x = 11,713,310.01 × 6,202,824.70 - Step 4: Simplify right side
7,811,720.86x = 72,655,608,648,785.25 - Step 5: Solve for x
x = 72,655,608,648,785.25/7,811,720.86 - Step 6: Final answer
x = 9,300,845.48
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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.