Finding the Fourth Proportional to 8,242,959.66, 11,364,831.27 and 5,890,968.06
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Solution
The fourth proportional to 8,242,959.66, 11,364,831.27 and 5,890,968.06 is: 8,122,065.47
Step by Step Solution
- Step 1: Write the proportion equation
8,242,959.66 : 11,364,831.27 = 5,890,968.06 : x - Step 2: Convert to fraction form
8,242,959.66/11,364,831.27 = 5,890,968.06/x - Step 3: Cross multiply
8,242,959.66x = 11,364,831.27 × 5,890,968.06 - Step 4: Simplify right side
8,242,959.66x = 66,949,858,018,859.23 - Step 5: Solve for x
x = 66,949,858,018,859.23/8,242,959.66 - Step 6: Final answer
x = 8,122,065.47
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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.