Finding the Fourth Proportional to 19,973,380.49, 27,563,270.99 and 11,273,396.07
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Solution
The fourth proportional to 19,973,380.49, 27,563,270.99 and 11,273,396.07 is: 15,557,289.92
Step by Step Solution
- Step 1: Write the proportion equation
19,973,380.49 : 27,563,270.99 = 11,273,396.07 : x - Step 2: Convert to fraction form
19,973,380.49/27,563,270.99 = 11,273,396.07/x - Step 3: Cross multiply
19,973,380.49x = 27,563,270.99 × 11,273,396.07 - Step 4: Simplify right side
19,973,380.49x = 310,731,670,902,006.31 - Step 5: Solve for x
x = 310,731,670,902,006.31/19,973,380.49 - Step 6: Final answer
x = 15,557,289.92
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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.