Finding the Fourth Proportional to 13,192,680.36, 19,788,738.84 and 3,608,058.90
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Solution
The fourth proportional to 13,192,680.36, 19,788,738.84 and 3,608,058.90 is: 5,412,011.31
Step by Step Solution
- Step 1: Write the proportion equation
13,192,680.36 : 19,788,738.84 = 3,608,058.90 : x - Step 2: Convert to fraction form
13,192,680.36/19,788,738.84 = 3,608,058.90/x - Step 3: Cross multiply
13,192,680.36x = 19,788,738.84 × 3,608,058.90 - Step 4: Simplify right side
13,192,680.36x = 71,398,935,291,437.67 - Step 5: Solve for x
x = 71,398,935,291,437.67/13,192,680.36 - Step 6: Final answer
x = 5,412,011.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.