Finding the Fourth Proportional to 14,689,729.13, 22,005,861.70 and 12,099,752.06
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Solution
The fourth proportional to 14,689,729.13, 22,005,861.70 and 12,099,752.06 is: 18,125,961.89
Step by Step Solution
- Step 1: Write the proportion equation
14,689,729.13 : 22,005,861.70 = 12,099,752.06 : x - Step 2: Convert to fraction form
14,689,729.13/22,005,861.70 = 12,099,752.06/x - Step 3: Cross multiply
14,689,729.13x = 22,005,861.70 × 12,099,752.06 - Step 4: Simplify right side
14,689,729.13x = 266,265,470,436,650.09 - Step 5: Solve for x
x = 266,265,470,436,650.09/14,689,729.13 - Step 6: Final answer
x = 18,125,961.89
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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.