Finding the Fourth Proportional to 45,662,623.88, 68,486,644.80 and 13,306,958.12
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Solution
The fourth proportional to 45,662,623.88, 68,486,644.80 and 13,306,958.12 is: 19,958,312.44
Step by Step Solution
- Step 1: Write the proportion equation
45,662,623.88 : 68,486,644.80 = 13,306,958.12 : x - Step 2: Convert to fraction form
45,662,623.88/68,486,644.80 = 13,306,958.12/x - Step 3: Cross multiply
45,662,623.88x = 68,486,644.80 × 13,306,958.12 - Step 4: Simplify right side
45,662,623.88x = 911,348,914,132,915.62 - Step 5: Solve for x
x = 911,348,914,132,915.62/45,662,623.88 - Step 6: Final answer
x = 19,958,312.44
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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.