Finding the Fourth Proportional to 51,276,646.32, 76,927,205.68 and 16,733,112.36
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Solution
The fourth proportional to 51,276,646.32, 76,927,205.68 and 16,733,112.36 is: 25,103,661.58
Step by Step Solution
- Step 1: Write the proportion equation
51,276,646.32 : 76,927,205.68 = 16,733,112.36 : x - Step 2: Convert to fraction form
51,276,646.32/76,927,205.68 = 16,733,112.36/x - Step 3: Cross multiply
51,276,646.32x = 76,927,205.68 × 16,733,112.36 - Step 4: Simplify right side
51,276,646.32x = 1,287,231,576,033,785 - Step 5: Solve for x
x = 1,287,231,576,033,785/51,276,646.32 - Step 6: Final answer
x = 25,103,661.58
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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.