Finding the Fourth Proportional to 19,967,922.68, 27,553,362.18 and 11,265,587.24
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Solution
The fourth proportional to 19,967,922.68, 27,553,362.18 and 11,265,587.24 is: 15,545,172.64
Step by Step Solution
- Step 1: Write the proportion equation
19,967,922.68 : 27,553,362.18 = 11,265,587.24 : x - Step 2: Convert to fraction form
19,967,922.68/27,553,362.18 = 11,265,587.24/x - Step 3: Cross multiply
19,967,922.68x = 27,553,362.18 × 11,265,587.24 - Step 4: Simplify right side
19,967,922.68x = 310,404,805,394,106.56 - Step 5: Solve for x
x = 310,404,805,394,106.56/19,967,922.68 - Step 6: Final answer
x = 15,545,172.64
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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.