Finding the Fourth Proportional to 12,660,596.28, 17,470,588.68 and 7,433,053.92
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Solution
The fourth proportional to 12,660,596.28, 17,470,588.68 and 7,433,053.92 is: 10,257,007.24
Step by Step Solution
- Step 1: Write the proportion equation
12,660,596.28 : 17,470,588.68 = 7,433,053.92 : x - Step 2: Convert to fraction form
12,660,596.28/17,470,588.68 = 7,433,053.92/x - Step 3: Cross multiply
12,660,596.28x = 17,470,588.68 × 7,433,053.92 - Step 4: Simplify right side
12,660,596.28x = 129,859,827,672,581.62 - Step 5: Solve for x
x = 129,859,827,672,581.62/12,660,596.28 - Step 6: Final answer
x = 10,257,007.24
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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.