Finding the Fourth Proportional to 7,228,136.97, 10,845,516.42 and 3,130,711.33
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Solution
The fourth proportional to 7,228,136.97, 10,845,516.42 and 3,130,711.33 is: 4,697,501.07
Step by Step Solution
- Step 1: Write the proportion equation
7,228,136.97 : 10,845,516.42 = 3,130,711.33 : x - Step 2: Convert to fraction form
7,228,136.97/10,845,516.42 = 3,130,711.33/x - Step 3: Cross multiply
7,228,136.97x = 10,845,516.42 × 3,130,711.33 - Step 4: Simplify right side
7,228,136.97x = 33,954,181,135,795.04 - Step 5: Solve for x
x = 33,954,181,135,795.04/7,228,136.97 - Step 6: Final answer
x = 4,697,501.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.