Finding the Fourth Proportional to 8,206,913.81, 11,326,947.41 and 4,771,147.74
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Solution
The fourth proportional to 8,206,913.81, 11,326,947.41 and 4,771,147.74 is: 6,585,001.48
Step by Step Solution
- Step 1: Write the proportion equation
8,206,913.81 : 11,326,947.41 = 4,771,147.74 : x - Step 2: Convert to fraction form
8,206,913.81/11,326,947.41 = 4,771,147.74/x - Step 3: Cross multiply
8,206,913.81x = 11,326,947.41 × 4,771,147.74 - Step 4: Simplify right side
8,206,913.81x = 54,042,539,512,464.62 - Step 5: Solve for x
x = 54,042,539,512,464.62/8,206,913.81 - Step 6: Final answer
x = 6,585,001.48
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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.