Finding the Fourth Proportional to 15,356,699.99, 21,192,116.04 and 8,481,034.43
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Solution
The fourth proportional to 15,356,699.99, 21,192,116.04 and 8,481,034.43 is: 11,703,755.75
Step by Step Solution
- Step 1: Write the proportion equation
15,356,699.99 : 21,192,116.04 = 8,481,034.43 : x - Step 2: Convert to fraction form
15,356,699.99/21,192,116.04 = 8,481,034.43/x - Step 3: Cross multiply
15,356,699.99x = 21,192,116.04 × 8,481,034.43 - Step 4: Simplify right side
15,356,699.99x = 179,731,065,673,834.69 - Step 5: Solve for x
x = 179,731,065,673,834.69/15,356,699.99 - Step 6: Final answer
x = 11,703,755.75
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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.