Finding the Fourth Proportional to 57,689,917.24, 86,546,423.26 and 21,298,528.84
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Solution
The fourth proportional to 57,689,917.24, 86,546,423.26 and 21,298,528.84 is: 31,952,056.44
Step by Step Solution
- Step 1: Write the proportion equation
57,689,917.24 : 86,546,423.26 = 21,298,528.84 : x - Step 2: Convert to fraction form
57,689,917.24/86,546,423.26 = 21,298,528.84/x - Step 3: Cross multiply
57,689,917.24x = 86,546,423.26 × 21,298,528.84 - Step 4: Simplify right side
57,689,917.24x = 1,843,311,491,801,957 - Step 5: Solve for x
x = 1,843,311,491,801,957/57,689,917.24 - Step 6: Final answer
x = 31,952,056.44
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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.