Finding the Fourth Proportional to 7,922,862.88, 11,886,000.18 and 2,457,846.96
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Solution
The fourth proportional to 7,922,862.88, 11,886,000.18 and 2,457,846.96 is: 3,687,299.64
Step by Step Solution
- Step 1: Write the proportion equation
7,922,862.88 : 11,886,000.18 = 2,457,846.96 : x - Step 2: Convert to fraction form
7,922,862.88/11,886,000.18 = 2,457,846.96/x - Step 3: Cross multiply
7,922,862.88x = 11,886,000.18 × 2,457,846.96 - Step 4: Simplify right side
7,922,862.88x = 29,213,969,408,972.45 - Step 5: Solve for x
x = 29,213,969,408,972.45/7,922,862.88 - Step 6: Final answer
x = 3,687,299.64
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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.