Finding the Fourth Proportional to 17,138,715.75, 23,651,862.90 and 9,403,756.02
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Solution
The fourth proportional to 17,138,715.75, 23,651,862.90 and 9,403,756.02 is: 12,977,422.08
Step by Step Solution
- Step 1: Write the proportion equation
17,138,715.75 : 23,651,862.90 = 9,403,756.02 : x - Step 2: Convert to fraction form
17,138,715.75/23,651,862.90 = 9,403,756.02/x - Step 3: Cross multiply
17,138,715.75x = 23,651,862.90 × 9,403,756.02 - Step 4: Simplify right side
17,138,715.75x = 222,416,348,130,089.62 - Step 5: Solve for x
x = 222,416,348,130,089.62/17,138,715.75 - Step 6: Final answer
x = 12,977,422.08
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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.