Finding the Fourth Proportional to 27,982,858.88, 41,975,790.06 and 8,815,116.08
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Solution
The fourth proportional to 27,982,858.88, 41,975,790.06 and 8,815,116.08 is: 13,223,147.20
Step by Step Solution
- Step 1: Write the proportion equation
27,982,858.88 : 41,975,790.06 = 8,815,116.08 : x - Step 2: Convert to fraction form
27,982,858.88/41,975,790.06 = 8,815,116.08/x - Step 3: Cross multiply
27,982,858.88x = 41,975,790.06 × 8,815,116.08 - Step 4: Simplify right side
27,982,858.88x = 370,021,461,928,610.19 - Step 5: Solve for x
x = 370,021,461,928,610.19/27,982,858.88 - Step 6: Final answer
x = 13,223,147.20
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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.