Finding the Fourth Proportional to 7,836,107.32, 10,813,235.16 and 4,397,684.05
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Solution
The fourth proportional to 7,836,107.32, 10,813,235.16 and 4,397,684.05 is: 6,068,471.23
Step by Step Solution
- Step 1: Write the proportion equation
7,836,107.32 : 10,813,235.16 = 4,397,684.05 : x - Step 2: Convert to fraction form
7,836,107.32/10,813,235.16 = 4,397,684.05/x - Step 3: Cross multiply
7,836,107.32x = 10,813,235.16 × 4,397,684.05 - Step 4: Simplify right side
7,836,107.32x = 47,553,191,792,031.20 - Step 5: Solve for x
x = 47,553,191,792,031.20/7,836,107.32 - Step 6: Final answer
x = 6,068,471.23
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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.