Finding the Fourth Proportional to 28,913,137.92, 43,355,865.60 and 16,785,951.84
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Solution
The fourth proportional to 28,913,137.92, 43,355,865.60 and 16,785,951.84 is: 25,170,892.00
Step by Step Solution
- Step 1: Write the proportion equation
28,913,137.92 : 43,355,865.60 = 16,785,951.84 : x - Step 2: Convert to fraction form
28,913,137.92/43,355,865.60 = 16,785,951.84/x - Step 3: Cross multiply
28,913,137.92x = 43,355,865.60 × 16,785,951.84 - Step 4: Simplify right side
28,913,137.92x = 727,769,471,943,112.75 - Step 5: Solve for x
x = 727,769,471,943,112.75/28,913,137.92 - Step 6: Final answer
x = 25,170,892.00
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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.