Finding the Fourth Proportional to 36,408,422.70, 54,575,892.45 and 18,184,589.10
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Solution
The fourth proportional to 36,408,422.70, 54,575,892.45 and 18,184,589.10 is: 27,258,532.65
Step by Step Solution
- Step 1: Write the proportion equation
36,408,422.70 : 54,575,892.45 = 18,184,589.10 : x - Step 2: Convert to fraction form
36,408,422.70/54,575,892.45 = 18,184,589.10/x - Step 3: Cross multiply
36,408,422.70x = 54,575,892.45 × 18,184,589.10 - Step 4: Simplify right side
36,408,422.70x = 992,440,178,969,042.38 - Step 5: Solve for x
x = 992,440,178,969,042.38/36,408,422.70 - Step 6: Final answer
x = 27,258,532.65
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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.