Finding the Fourth Proportional to 21,595,329, 29,801,908.08 and 12,894,261.96
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Solution
The fourth proportional to 21,595,329, 29,801,908.08 and 12,894,261.96 is: 17,794,292.91
Step by Step Solution
- Step 1: Write the proportion equation
21,595,329 : 29,801,908.08 = 12,894,261.96 : x - Step 2: Convert to fraction form
21,595,329/29,801,908.08 = 12,894,261.96/x - Step 3: Cross multiply
21,595,329x = 29,801,908.08 × 12,894,261.96 - Step 4: Simplify right side
21,595,329x = 384,273,609,691,360.62 - Step 5: Solve for x
x = 384,273,609,691,360.62/21,595,329 - Step 6: Final answer
x = 17,794,292.91
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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.