Finding the Fourth Proportional to 17,138,532.72, 23,651,610.37 and 9,403,572.99
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Solution
The fourth proportional to 17,138,532.72, 23,651,610.37 and 9,403,572.99 is: 12,977,169.51
Step by Step Solution
- Step 1: Write the proportion equation
17,138,532.72 : 23,651,610.37 = 9,403,572.99 : x - Step 2: Convert to fraction form
17,138,532.72/23,651,610.37 = 9,403,572.99/x - Step 3: Cross multiply
17,138,532.72x = 23,651,610.37 × 9,403,572.99 - Step 4: Simplify right side
17,138,532.72x = 222,409,644,280,059.97 - Step 5: Solve for x
x = 222,409,644,280,059.97/17,138,532.72 - Step 6: Final answer
x = 12,977,169.51
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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.