Finding the Fourth Proportional to 8,186,363.20, 11,297,228.52 and 4,515,410.80
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Solution
The fourth proportional to 8,186,363.20, 11,297,228.52 and 4,515,410.80 is: 6,231,293.00
Step by Step Solution
- Step 1: Write the proportion equation
8,186,363.20 : 11,297,228.52 = 4,515,410.80 : x - Step 2: Convert to fraction form
8,186,363.20/11,297,228.52 = 4,515,410.80/x - Step 3: Cross multiply
8,186,363.20x = 11,297,228.52 × 4,515,410.80 - Step 4: Simplify right side
8,186,363.20x = 51,011,627,669,276.02 - Step 5: Solve for x
x = 51,011,627,669,276.02/8,186,363.20 - Step 6: Final answer
x = 6,231,293.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.