Finding the Fourth Proportional to 11,715,922.08, 16,166,741.61 and 6,488,793.31
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Solution
The fourth proportional to 11,715,922.08, 16,166,741.61 and 6,488,793.31 is: 8,953,853.06
Step by Step Solution
- Step 1: Write the proportion equation
11,715,922.08 : 16,166,741.61 = 6,488,793.31 : x - Step 2: Convert to fraction form
11,715,922.08/16,166,741.61 = 6,488,793.31/x - Step 3: Cross multiply
11,715,922.08x = 16,166,741.61 × 6,488,793.31 - Step 4: Simplify right side
11,715,922.08x = 104,902,644,722,632.91 - Step 5: Solve for x
x = 104,902,644,722,632.91/11,715,922.08 - Step 6: Final answer
x = 8,953,853.06
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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.