Finding the Fourth Proportional to 36,625,719.62, 54,938,019.69 and 12,381,676.44
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Solution
The fourth proportional to 36,625,719.62, 54,938,019.69 and 12,381,676.44 is: 18,572,325.43
Step by Step Solution
- Step 1: Write the proportion equation
36,625,719.62 : 54,938,019.69 = 12,381,676.44 : x - Step 2: Convert to fraction form
36,625,719.62/54,938,019.69 = 12,381,676.44/x - Step 3: Cross multiply
36,625,719.62x = 54,938,019.69 × 12,381,676.44 - Step 4: Simplify right side
36,625,719.62x = 680,224,784,055,929 - Step 5: Solve for x
x = 680,224,784,055,929/36,625,719.62 - Step 6: Final answer
x = 18,572,325.43
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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.