Finding the Fourth Proportional to 7,438,324.14, 10,265,144.27 and 4,130,674.02
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Solution
The fourth proportional to 7,438,324.14, 10,265,144.27 and 4,130,674.02 is: 5,700,472.84
Step by Step Solution
- Step 1: Write the proportion equation
7,438,324.14 : 10,265,144.27 = 4,130,674.02 : x - Step 2: Convert to fraction form
7,438,324.14/10,265,144.27 = 4,130,674.02/x - Step 3: Cross multiply
7,438,324.14x = 10,265,144.27 × 4,130,674.02 - Step 4: Simplify right side
7,438,324.14x = 42,401,964,747,640.87 - Step 5: Solve for x
x = 42,401,964,747,640.87/7,438,324.14 - Step 6: Final answer
x = 5,700,472.84
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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.