Finding the Fourth Proportional to 11,823,831.91, 17,727,235.98 and 7,265,462.79
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Solution
The fourth proportional to 11,823,831.91, 17,727,235.98 and 7,265,462.79 is: 10,892,963.83
Step by Step Solution
- Step 1: Write the proportion equation
11,823,831.91 : 17,727,235.98 = 7,265,462.79 : x - Step 2: Convert to fraction form
11,823,831.91/17,727,235.98 = 7,265,462.79/x - Step 3: Cross multiply
11,823,831.91x = 17,727,235.98 × 7,265,462.79 - Step 4: Simplify right side
11,823,831.91x = 128,796,573,382,239.19 - Step 5: Solve for x
x = 128,796,573,382,239.19/11,823,831.91 - Step 6: Final answer
x = 10,892,963.83
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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.