Finding the Fourth Proportional to 6,905,188.11, 9,527,493.17 and 4,457,274.90
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Solution
The fourth proportional to 6,905,188.11, 9,527,493.17 and 4,457,274.90 is: 6,149,963.69
Step by Step Solution
- Step 1: Write the proportion equation
6,905,188.11 : 9,527,493.17 = 4,457,274.90 : x - Step 2: Convert to fraction form
6,905,188.11/9,527,493.17 = 4,457,274.90/x - Step 3: Cross multiply
6,905,188.11x = 9,527,493.17 × 4,457,274.90 - Step 4: Simplify right side
6,905,188.11x = 42,466,656,144,276.05 - Step 5: Solve for x
x = 42,466,656,144,276.05/6,905,188.11 - Step 6: Final answer
x = 6,149,963.69
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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.