Finding the Fourth Proportional to 18,591,854.99, 25,657,382.93 and 10,332,265.40
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Solution
The fourth proportional to 18,591,854.99, 25,657,382.93 and 10,332,265.40 is: 14,258,872.50
Step by Step Solution
- Step 1: Write the proportion equation
18,591,854.99 : 25,657,382.93 = 10,332,265.40 : x - Step 2: Convert to fraction form
18,591,854.99/25,657,382.93 = 10,332,265.40/x - Step 3: Cross multiply
18,591,854.99x = 25,657,382.93 × 10,332,265.40 - Step 4: Simplify right side
18,591,854.99x = 265,098,889,773,902.69 - Step 5: Solve for x
x = 265,098,889,773,902.69/18,591,854.99 - Step 6: Final answer
x = 14,258,872.50
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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.