Finding the Fourth Proportional to 17,090,953.28, 23,585,513.69 and 9,250,464.09
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Solution
The fourth proportional to 17,090,953.28, 23,585,513.69 and 9,250,464.09 is: 12,765,639.45
Step by Step Solution
- Step 1: Write the proportion equation
17,090,953.28 : 23,585,513.69 = 9,250,464.09 : x - Step 2: Convert to fraction form
17,090,953.28/23,585,513.69 = 9,250,464.09/x - Step 3: Cross multiply
17,090,953.28x = 23,585,513.69 × 9,250,464.09 - Step 4: Simplify right side
17,090,953.28x = 218,176,947,387,296.06 - Step 5: Solve for x
x = 218,176,947,387,296.06/17,090,953.28 - Step 6: Final answer
x = 12,765,639.45
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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.