Finding the Fourth Proportional to 9,125,344.14, 12,594,441.45 and 5,206,378.62
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Solution
The fourth proportional to 9,125,344.14, 12,594,441.45 and 5,206,378.62 is: 7,185,639.21
Step by Step Solution
- Step 1: Write the proportion equation
9,125,344.14 : 12,594,441.45 = 5,206,378.62 : x - Step 2: Convert to fraction form
9,125,344.14/12,594,441.45 = 5,206,378.62/x - Step 3: Cross multiply
9,125,344.14x = 12,594,441.45 × 5,206,378.62 - Step 4: Simplify right side
9,125,344.14x = 65,571,430,696,121.80 - Step 5: Solve for x
x = 65,571,430,696,121.80/9,125,344.14 - Step 6: Final answer
x = 7,185,639.21
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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.