Finding the Fourth Proportional to 33,647,948.08, 46,449,668.64 and 19,707,368.56
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Solution
The fourth proportional to 33,647,948.08, 46,449,668.64 and 19,707,368.56 is: 27,205,247.02
Step by Step Solution
- Step 1: Write the proportion equation
33,647,948.08 : 46,449,668.64 = 19,707,368.56 : x - Step 2: Convert to fraction form
33,647,948.08/46,449,668.64 = 19,707,368.56/x - Step 3: Cross multiply
33,647,948.08x = 46,449,668.64 × 19,707,368.56 - Step 4: Simplify right side
33,647,948.08x = 915,400,739,378,353.88 - Step 5: Solve for x
x = 915,400,739,378,353.88/33,647,948.08 - Step 6: Final answer
x = 27,205,247.02
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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.