Finding the Fourth Proportional to 13,006,127.73, 17,907,507.36 and 11,042,121.14
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Solution
The fourth proportional to 13,006,127.73, 17,907,507.36 and 11,042,121.14 is: 15,203,361.81
Step by Step Solution
- Step 1: Write the proportion equation
13,006,127.73 : 17,907,507.36 = 11,042,121.14 : x - Step 2: Convert to fraction form
13,006,127.73/17,907,507.36 = 11,042,121.14/x - Step 3: Cross multiply
13,006,127.73x = 17,907,507.36 × 11,042,121.14 - Step 4: Simplify right side
13,006,127.73x = 197,736,865,584,561.59 - Step 5: Solve for x
x = 197,736,865,584,561.59/13,006,127.73 - Step 6: Final answer
x = 15,203,361.81
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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.