Finding the Fourth Proportional to 21,125,877.26, 29,153,881.82 and 11,706,825.59
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Solution
The fourth proportional to 21,125,877.26, 29,153,881.82 and 11,706,825.59 is: 16,155,514.18
Step by Step Solution
- Step 1: Write the proportion equation
21,125,877.26 : 29,153,881.82 = 11,706,825.59 : x - Step 2: Convert to fraction form
21,125,877.26/29,153,881.82 = 11,706,825.59/x - Step 3: Cross multiply
21,125,877.26x = 29,153,881.82 × 11,706,825.59 - Step 4: Simplify right side
21,125,877.26x = 341,299,409,592,442.38 - Step 5: Solve for x
x = 341,299,409,592,442.38/21,125,877.26 - Step 6: Final answer
x = 16,155,514.18
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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.