Finding the Fourth Proportional to 14,734,490.97, 20,186,350.59 and 14,182,231.49
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Solution
The fourth proportional to 14,734,490.97, 20,186,350.59 and 14,182,231.49 is: 19,429,751.42
Step by Step Solution
- Step 1: Write the proportion equation
14,734,490.97 : 20,186,350.59 = 14,182,231.49 : x - Step 2: Convert to fraction form
14,734,490.97/20,186,350.59 = 14,182,231.49/x - Step 3: Cross multiply
14,734,490.97x = 20,186,350.59 × 14,182,231.49 - Step 4: Simplify right side
14,734,490.97x = 286,287,496,904,746.31 - Step 5: Solve for x
x = 286,287,496,904,746.31/14,734,490.97 - Step 6: Final answer
x = 19,429,751.42
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.