Finding the Fourth Proportional to 25,848,342.64, 38,772,915.82 and 7,654,377.99
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Solution
The fourth proportional to 25,848,342.64, 38,772,915.82 and 7,654,377.99 is: 11,481,685.99
Step by Step Solution
- Step 1: Write the proportion equation
25,848,342.64 : 38,772,915.82 = 7,654,377.99 : x - Step 2: Convert to fraction form
25,848,342.64/38,772,915.82 = 7,654,377.99/x - Step 3: Cross multiply
25,848,342.64x = 38,772,915.82 × 7,654,377.99 - Step 4: Simplify right side
25,848,342.64x = 296,782,553,441,594.88 - Step 5: Solve for x
x = 296,782,553,441,594.88/25,848,342.64 - Step 6: Final answer
x = 11,481,685.99
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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.