Finding the Fourth Proportional to 16,539,952.75, 22,821,789.99 and 9,663,106.21
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Solution
The fourth proportional to 16,539,952.75, 22,821,789.99 and 9,663,106.21 is: 13,333,132.44
Step by Step Solution
- Step 1: Write the proportion equation
16,539,952.75 : 22,821,789.99 = 9,663,106.21 : x - Step 2: Convert to fraction form
16,539,952.75/22,821,789.99 = 9,663,106.21/x - Step 3: Cross multiply
16,539,952.75x = 22,821,789.99 × 9,663,106.21 - Step 4: Simplify right side
16,539,952.75x = 220,529,380,554,867 - Step 5: Solve for x
x = 220,529,380,554,867/16,539,952.75 - Step 6: Final answer
x = 13,333,132.44
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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.