Finding the Fourth Proportional to 38,151,243.12, 57,252,074.28 and 17,962,258.80
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Solution
The fourth proportional to 38,151,243.12, 57,252,074.28 and 17,962,258.80 is: 26,955,257.31
Step by Step Solution
- Step 1: Write the proportion equation
38,151,243.12 : 57,252,074.28 = 17,962,258.80 : x - Step 2: Convert to fraction form
38,151,243.12/57,252,074.28 = 17,962,258.80/x - Step 3: Cross multiply
38,151,243.12x = 57,252,074.28 × 17,962,258.80 - Step 4: Simplify right side
38,151,243.12x = 1,028,376,575,054,183.75 - Step 5: Solve for x
x = 1,028,376,575,054,183.75/38,151,243.12 - Step 6: Final answer
x = 26,955,257.31
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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.