Finding the Fourth Proportional to 21,015,889.08, 29,002,440.63 and 11,723,393.04
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Solution
The fourth proportional to 21,015,889.08, 29,002,440.63 and 11,723,393.04 is: 16,178,568.95
Step by Step Solution
- Step 1: Write the proportion equation
21,015,889.08 : 29,002,440.63 = 11,723,393.04 : x - Step 2: Convert to fraction form
21,015,889.08/29,002,440.63 = 11,723,393.04/x - Step 3: Cross multiply
21,015,889.08x = 29,002,440.63 × 11,723,393.04 - Step 4: Simplify right side
21,015,889.08x = 340,007,010,624,755.19 - Step 5: Solve for x
x = 340,007,010,624,755.19/21,015,889.08 - Step 6: Final answer
x = 16,178,568.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.