Finding the Fourth Proportional to 8,922,831.42, 12,313,585.34 and 4,848,450.42
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Solution
The fourth proportional to 8,922,831.42, 12,313,585.34 and 4,848,450.42 is: 6,690,903.95
Step by Step Solution
- Step 1: Write the proportion equation
8,922,831.42 : 12,313,585.34 = 4,848,450.42 : x - Step 2: Convert to fraction form
8,922,831.42/12,313,585.34 = 4,848,450.42/x - Step 3: Cross multiply
8,922,831.42x = 12,313,585.34 × 4,848,450.42 - Step 4: Simplify right side
8,922,831.42x = 59,701,808,013,428.84 - Step 5: Solve for x
x = 59,701,808,013,428.84/8,922,831.42 - Step 6: Final answer
x = 6,690,903.95
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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.