Finding the Fourth Proportional to 23,538,302.64, 32,497,349.58 and 18,663,217.20
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Solution
The fourth proportional to 23,538,302.64, 32,497,349.58 and 18,663,217.20 is: 25,766,730.21
Step by Step Solution
- Step 1: Write the proportion equation
23,538,302.64 : 32,497,349.58 = 18,663,217.20 : x - Step 2: Convert to fraction form
23,538,302.64/32,497,349.58 = 18,663,217.20/x - Step 3: Cross multiply
23,538,302.64x = 32,497,349.58 × 18,663,217.20 - Step 4: Simplify right side
23,538,302.64x = 606,505,093,635,868.75 - Step 5: Solve for x
x = 606,505,093,635,868.75/23,538,302.64 - Step 6: Final answer
x = 25,766,730.21
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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.