Finding the Fourth Proportional to 8,872,831.24, 12,244,543.94 and 4,798,450.28
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Solution
The fourth proportional to 8,872,831.24, 12,244,543.94 and 4,798,450.28 is: 6,621,881.30
Step by Step Solution
- Step 1: Write the proportion equation
8,872,831.24 : 12,244,543.94 = 4,798,450.28 : x - Step 2: Convert to fraction form
8,872,831.24/12,244,543.94 = 4,798,450.28/x - Step 3: Cross multiply
8,872,831.24x = 12,244,543.94 × 4,798,450.28 - Step 4: Simplify right side
8,872,831.24x = 58,754,835,297,365.30 - Step 5: Solve for x
x = 58,754,835,297,365.30/8,872,831.24 - Step 6: Final answer
x = 6,621,881.30
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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.