Finding the Fourth Proportional to 16,694,628.36, 25,036,037.63 and 7,939,875.99
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Solution
The fourth proportional to 16,694,628.36, 25,036,037.63 and 7,939,875.99 is: 11,907,005.64
Step by Step Solution
- Step 1: Write the proportion equation
16,694,628.36 : 25,036,037.63 = 7,939,875.99 : x - Step 2: Convert to fraction form
16,694,628.36/25,036,037.63 = 7,939,875.99/x - Step 3: Cross multiply
16,694,628.36x = 25,036,037.63 × 7,939,875.99 - Step 4: Simplify right side
16,694,628.36x = 198,783,034,063,173.50 - Step 5: Solve for x
x = 198,783,034,063,173.50/16,694,628.36 - Step 6: Final answer
x = 11,907,005.64
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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.