Finding the Fourth Proportional to 17,886,841.48, 26,829,690.16 and 7,517,554.12
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Solution
The fourth proportional to 17,886,841.48, 26,829,690.16 and 7,517,554.12 is: 11,276,090.75
Step by Step Solution
- Step 1: Write the proportion equation
17,886,841.48 : 26,829,690.16 = 7,517,554.12 : x - Step 2: Convert to fraction form
17,886,841.48/26,829,690.16 = 7,517,554.12/x - Step 3: Cross multiply
17,886,841.48x = 26,829,690.16 × 7,517,554.12 - Step 4: Simplify right side
17,886,841.48x = 201,693,647,800,631.47 - Step 5: Solve for x
x = 201,693,647,800,631.47/17,886,841.48 - Step 6: Final answer
x = 11,276,090.75
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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.