Finding the Fourth Proportional to 38,026,915.08, 52,479,959.96 and 21,283,329.20
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Solution
The fourth proportional to 38,026,915.08, 52,479,959.96 and 21,283,329.20 is: 29,372,571.03
Step by Step Solution
- Step 1: Write the proportion equation
38,026,915.08 : 52,479,959.96 = 21,283,329.20 : x - Step 2: Convert to fraction form
38,026,915.08/52,479,959.96 = 21,283,329.20/x - Step 3: Cross multiply
38,026,915.08x = 52,479,959.96 × 21,283,329.20 - Step 4: Simplify right side
38,026,915.08x = 1,116,948,264,231,498.75 - Step 5: Solve for x
x = 1,116,948,264,231,498.75/38,026,915.08 - Step 6: Final answer
x = 29,372,571.03
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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.