Finding the Fourth Proportional to 7,783,344.14, 11,664,889.47 and 3,166,950.51
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Solution
The fourth proportional to 7,783,344.14, 11,664,889.47 and 3,166,950.51 is: 4,746,305.32
Step by Step Solution
- Step 1: Write the proportion equation
7,783,344.14 : 11,664,889.47 = 3,166,950.51 : x - Step 2: Convert to fraction form
7,783,344.14/11,664,889.47 = 3,166,950.51/x - Step 3: Cross multiply
7,783,344.14x = 11,664,889.47 × 3,166,950.51 - Step 4: Simplify right side
7,783,344.14x = 36,942,127,656,110.13 - Step 5: Solve for x
x = 36,942,127,656,110.13/7,783,344.14 - Step 6: Final answer
x = 4,746,305.32
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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.