Finding the Fourth Proportional to 29,515,196.58, 40,731,112.74 and 16,284,372.82
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Solution
The fourth proportional to 29,515,196.58, 40,731,112.74 and 16,284,372.82 is: 22,472,512.55
Step by Step Solution
- Step 1: Write the proportion equation
29,515,196.58 : 40,731,112.74 = 16,284,372.82 : x - Step 2: Convert to fraction form
29,515,196.58/40,731,112.74 = 16,284,372.82/x - Step 3: Cross multiply
29,515,196.58x = 40,731,112.74 × 16,284,372.82 - Step 4: Simplify right side
29,515,196.58x = 663,280,625,419,962.75 - Step 5: Solve for x
x = 663,280,625,419,962.75/29,515,196.58 - Step 6: Final answer
x = 22,472,512.55
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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.