Finding the Fourth Proportional to 25,612,113.27, 38,418,176.44 and 7,170,775.14
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Solution
The fourth proportional to 25,612,113.27, 38,418,176.44 and 7,170,775.14 is: 10,756,164.54
Step by Step Solution
- Step 1: Write the proportion equation
25,612,113.27 : 38,418,176.44 = 7,170,775.14 : x - Step 2: Convert to fraction form
25,612,113.27/38,418,176.44 = 7,170,775.14/x - Step 3: Cross multiply
25,612,113.27x = 38,418,176.44 × 7,170,775.14 - Step 4: Simplify right side
25,612,113.27x = 275,488,104,693,117.31 - Step 5: Solve for x
x = 275,488,104,693,117.31/25,612,113.27 - Step 6: Final answer
x = 10,756,164.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.