Finding the Fourth Proportional to 20,373,262.08, 28,119,095.36 and 11,677,263.04
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Solution
The fourth proportional to 20,373,262.08, 28,119,095.36 and 11,677,263.04 is: 16,116,912.04
Step by Step Solution
- Step 1: Write the proportion equation
20,373,262.08 : 28,119,095.36 = 11,677,263.04 : x - Step 2: Convert to fraction form
20,373,262.08/28,119,095.36 = 11,677,263.04/x - Step 3: Cross multiply
20,373,262.08x = 28,119,095.36 × 11,677,263.04 - Step 4: Simplify right side
20,373,262.08x = 328,354,072,965,563.44 - Step 5: Solve for x
x = 328,354,072,965,563.44/20,373,262.08 - Step 6: Final answer
x = 16,116,912.04
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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.