Finding the Fourth Proportional to 7,344,831.02, 10,135,922.74 and 4,081,951.76
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Solution
The fourth proportional to 7,344,831.02, 10,135,922.74 and 4,081,951.76 is: 5,633,124.51
Step by Step Solution
- Step 1: Write the proportion equation
7,344,831.02 : 10,135,922.74 = 4,081,951.76 : x - Step 2: Convert to fraction form
7,344,831.02/10,135,922.74 = 4,081,951.76/x - Step 3: Cross multiply
7,344,831.02x = 10,135,922.74 × 4,081,951.76 - Step 4: Simplify right side
7,344,831.02x = 41,374,347,667,767.02 - Step 5: Solve for x
x = 41,374,347,667,767.02/7,344,831.02 - Step 6: Final answer
x = 5,633,124.51
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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.