Finding the Fourth Proportional to 7,776,354.70, 11,664,532.05 and 4,417,122.70
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Solution
The fourth proportional to 7,776,354.70, 11,664,532.05 and 4,417,122.70 is: 6,625,684.05
Step by Step Solution
- Step 1: Write the proportion equation
7,776,354.70 : 11,664,532.05 = 4,417,122.70 : x - Step 2: Convert to fraction form
7,776,354.70/11,664,532.05 = 4,417,122.70/x - Step 3: Cross multiply
7,776,354.70x = 11,664,532.05 × 4,417,122.70 - Step 4: Simplify right side
7,776,354.70x = 51,523,669,302,932.54 - Step 5: Solve for x
x = 51,523,669,302,932.54/7,776,354.70 - Step 6: Final answer
x = 6,625,684.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.