Finding the Fourth Proportional to 14,192,821.23, 19,586,090.57 and 7,666,451.03
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Solution
The fourth proportional to 14,192,821.23, 19,586,090.57 and 7,666,451.03 is: 10,579,700.94
Step by Step Solution
- Step 1: Write the proportion equation
14,192,821.23 : 19,586,090.57 = 7,666,451.03 : x - Step 2: Convert to fraction form
14,192,821.23/19,586,090.57 = 7,666,451.03/x - Step 3: Cross multiply
14,192,821.23x = 19,586,090.57 × 7,666,451.03 - Step 4: Simplify right side
14,192,821.23x = 150,155,804,087,787.09 - Step 5: Solve for x
x = 150,155,804,087,787.09/14,192,821.23 - Step 6: Final answer
x = 10,579,700.94
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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.