Finding the Fourth Proportional to 7,508,831.11, 10,362,405.48 and 4,245,575.74
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Solution
The fourth proportional to 7,508,831.11, 10,362,405.48 and 4,245,575.74 is: 5,859,018.09
Step by Step Solution
- Step 1: Write the proportion equation
7,508,831.11 : 10,362,405.48 = 4,245,575.74 : x - Step 2: Convert to fraction form
7,508,831.11/10,362,405.48 = 4,245,575.74/x - Step 3: Cross multiply
7,508,831.11x = 10,362,405.48 × 4,245,575.74 - Step 4: Simplify right side
7,508,831.11x = 43,994,377,313,931.06 - Step 5: Solve for x
x = 43,994,377,313,931.06/7,508,831.11 - Step 6: Final answer
x = 5,859,018.09
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1.5x scale
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.