Finding the Fourth Proportional to 11,260,680.12, 15,539,622.30 and 6,299,057.16
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Solution
The fourth proportional to 11,260,680.12, 15,539,622.30 and 6,299,057.16 is: 8,692,633.84
Step by Step Solution
- Step 1: Write the proportion equation
11,260,680.12 : 15,539,622.30 = 6,299,057.16 : x - Step 2: Convert to fraction form
11,260,680.12/15,539,622.30 = 6,299,057.16/x - Step 3: Cross multiply
11,260,680.12x = 15,539,622.30 × 6,299,057.16 - Step 4: Simplify right side
11,260,680.12x = 97,884,969,112,510.67 - Step 5: Solve for x
x = 97,884,969,112,510.67/11,260,680.12 - Step 6: Final answer
x = 8,692,633.84
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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.