Finding the Fourth Proportional to 11,731,838.34, 16,172,972.01 and 8,236,536.06
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Solution
The fourth proportional to 11,731,838.34, 16,172,972.01 and 8,236,536.06 is: 11,354,509.27
Step by Step Solution
- Step 1: Write the proportion equation
11,731,838.34 : 16,172,972.01 = 8,236,536.06 : x - Step 2: Convert to fraction form
11,731,838.34/16,172,972.01 = 8,236,536.06/x - Step 3: Cross multiply
11,731,838.34x = 16,172,972.01 × 8,236,536.06 - Step 4: Simplify right side
11,731,838.34x = 133,209,267,157,735.67 - Step 5: Solve for x
x = 133,209,267,157,735.67/11,731,838.34 - Step 6: Final answer
x = 11,354,509.27
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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.