Finding the Fourth Proportional to 8,260,955.10, 12,386,621.25 and 3,206,360.70
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Solution
The fourth proportional to 8,260,955.10, 12,386,621.25 and 3,206,360.70 is: 4,807,673.58
Step by Step Solution
- Step 1: Write the proportion equation
8,260,955.10 : 12,386,621.25 = 3,206,360.70 : x - Step 2: Convert to fraction form
8,260,955.10/12,386,621.25 = 3,206,360.70/x - Step 3: Cross multiply
8,260,955.10x = 12,386,621.25 × 3,206,360.70 - Step 4: Simplify right side
8,260,955.10x = 39,715,975,581,784.88 - Step 5: Solve for x
x = 39,715,975,581,784.88/8,260,955.10 - Step 6: Final answer
x = 4,807,673.58
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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.