Finding the Fourth Proportional to 19,802,954.80, 27,333,777.36 and 11,961,220.96
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Solution
The fourth proportional to 19,802,954.80, 27,333,777.36 and 11,961,220.96 is: 16,509,927.63
Step by Step Solution
- Step 1: Write the proportion equation
19,802,954.80 : 27,333,777.36 = 11,961,220.96 : x - Step 2: Convert to fraction form
19,802,954.80/27,333,777.36 = 11,961,220.96/x - Step 3: Cross multiply
19,802,954.80x = 27,333,777.36 × 11,961,220.96 - Step 4: Simplify right side
19,802,954.80x = 326,945,350,674,405.50 - Step 5: Solve for x
x = 326,945,350,674,405.50/19,802,954.80 - Step 6: Final answer
x = 16,509,927.63
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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.