Finding the Fourth Proportional to 11,472,272.45, 15,831,250.99 and 6,245,171.95
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Solution
The fourth proportional to 11,472,272.45, 15,831,250.99 and 6,245,171.95 is: 8,618,073.28
Step by Step Solution
- Step 1: Write the proportion equation
11,472,272.45 : 15,831,250.99 = 6,245,171.95 : x - Step 2: Convert to fraction form
11,472,272.45/15,831,250.99 = 6,245,171.95/x - Step 3: Cross multiply
11,472,272.45x = 15,831,250.99 × 6,245,171.95 - Step 4: Simplify right side
11,472,272.45x = 98,868,884,616,157.73 - Step 5: Solve for x
x = 98,868,884,616,157.73/11,472,272.45 - Step 6: Final answer
x = 8,618,073.28
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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.