Finding the Fourth Proportional to 11,312,632.56, 15,611,761.44 and 6,156,326.64
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Solution
The fourth proportional to 11,312,632.56, 15,611,761.44 and 6,156,326.64 is: 8,495,909.54
Step by Step Solution
- Step 1: Write the proportion equation
11,312,632.56 : 15,611,761.44 = 6,156,326.64 : x - Step 2: Convert to fraction form
11,312,632.56/15,611,761.44 = 6,156,326.64/x - Step 3: Cross multiply
11,312,632.56x = 15,611,761.44 × 6,156,326.64 - Step 4: Simplify right side
11,312,632.56x = 96,111,102,850,396.75 - Step 5: Solve for x
x = 96,111,102,850,396.75/11,312,632.56 - Step 6: Final answer
x = 8,495,909.54
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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.