Finding the Fourth Proportional to 38,368,524.40, 57,503,797.80 and 15,623,724.40
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Solution
The fourth proportional to 38,368,524.40, 57,503,797.80 and 15,623,724.40 is: 23,415,638.28
Step by Step Solution
- Step 1: Write the proportion equation
38,368,524.40 : 57,503,797.80 = 15,623,724.40 : x - Step 2: Convert to fraction form
38,368,524.40/57,503,797.80 = 15,623,724.40/x - Step 3: Cross multiply
38,368,524.40x = 57,503,797.80 × 15,623,724.40 - Step 4: Simplify right side
38,368,524.40x = 898,423,488,780,526.25 - Step 5: Solve for x
x = 898,423,488,780,526.25/38,368,524.40 - Step 6: Final answer
x = 23,415,638.28
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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.