Finding the Fourth Proportional to 38,376,104.60, 57,557,851.58 and 13,778,939.36
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Solution
The fourth proportional to 38,376,104.60, 57,557,851.58 and 13,778,939.36 is: 20,666,145.12
Step by Step Solution
- Step 1: Write the proportion equation
38,376,104.60 : 57,557,851.58 = 13,778,939.36 : x - Step 2: Convert to fraction form
38,376,104.60/57,557,851.58 = 13,778,939.36/x - Step 3: Cross multiply
38,376,104.60x = 57,557,851.58 × 13,778,939.36 - Step 4: Simplify right side
38,376,104.60x = 793,086,146,612,700.12 - Step 5: Solve for x
x = 793,086,146,612,700.12/38,376,104.60 - Step 6: Final answer
x = 20,666,145.12
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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.