Finding the Fourth Proportional to 18,591,866.09, 25,657,398.21 and 10,332,276.44
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Solution
The fourth proportional to 18,591,866.09, 25,657,398.21 and 10,332,276.44 is: 14,258,887.72
Step by Step Solution
- Step 1: Write the proportion equation
18,591,866.09 : 25,657,398.21 = 10,332,276.44 : x - Step 2: Convert to fraction form
18,591,866.09/25,657,398.21 = 10,332,276.44/x - Step 3: Cross multiply
18,591,866.09x = 25,657,398.21 × 10,332,276.44 - Step 4: Simplify right side
18,591,866.09x = 265,099,331,036,881.16 - Step 5: Solve for x
x = 265,099,331,036,881.16/18,591,866.09 - Step 6: Final answer
x = 14,258,887.72
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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.