Finding the Fourth Proportional to 13,626,899.26, 18,805,034.58 and 7,746,533.75
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Solution
The fourth proportional to 13,626,899.26, 18,805,034.58 and 7,746,533.75 is: 10,690,167.47
Step by Step Solution
- Step 1: Write the proportion equation
13,626,899.26 : 18,805,034.58 = 7,746,533.75 : x - Step 2: Convert to fraction form
13,626,899.26/18,805,034.58 = 7,746,533.75/x - Step 3: Cross multiply
13,626,899.26x = 18,805,034.58 × 7,746,533.75 - Step 4: Simplify right side
13,626,899.26x = 145,673,835,072,936.56 - Step 5: Solve for x
x = 145,673,835,072,936.56/13,626,899.26 - Step 6: Final answer
x = 10,690,167.47
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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.