Finding the Fourth Proportional to 18,944,452.13, 26,143,321.68 and 10,242,604.08
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Solution
The fourth proportional to 18,944,452.13, 26,143,321.68 and 10,242,604.08 is: 14,134,781.60
Step by Step Solution
- Step 1: Write the proportion equation
18,944,452.13 : 26,143,321.68 = 10,242,604.08 : x - Step 2: Convert to fraction form
18,944,452.13/26,143,321.68 = 10,242,604.08/x - Step 3: Cross multiply
18,944,452.13x = 26,143,321.68 × 10,242,604.08 - Step 4: Simplify right side
18,944,452.13x = 267,775,693,304,320.47 - Step 5: Solve for x
x = 267,775,693,304,320.47/18,944,452.13 - Step 6: Final answer
x = 14,134,781.60
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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.