Finding the Fourth Proportional to 16,057,191.36, 22,158,944.84 and 8,715,023.65
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Solution
The fourth proportional to 16,057,191.36, 22,158,944.84 and 8,715,023.65 is: 12,026,743.91
Step by Step Solution
- Step 1: Write the proportion equation
16,057,191.36 : 22,158,944.84 = 8,715,023.65 : x - Step 2: Convert to fraction form
16,057,191.36/22,158,944.84 = 8,715,023.65/x - Step 3: Cross multiply
16,057,191.36x = 22,158,944.84 × 8,715,023.65 - Step 4: Simplify right side
16,057,191.36x = 193,115,728,339,645.47 - Step 5: Solve for x
x = 193,115,728,339,645.47/16,057,191.36 - Step 6: Final answer
x = 12,026,743.91
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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.