Finding the Fourth Proportional to 16,377,896.40, 22,600,708.18 and 8,935,115.28
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Solution
The fourth proportional to 16,377,896.40, 22,600,708.18 and 8,935,115.28 is: 12,330,028.72
Step by Step Solution
- Step 1: Write the proportion equation
16,377,896.40 : 22,600,708.18 = 8,935,115.28 : x - Step 2: Convert to fraction form
16,377,896.40/22,600,708.18 = 8,935,115.28/x - Step 3: Cross multiply
16,377,896.40x = 22,600,708.18 × 8,935,115.28 - Step 4: Simplify right side
16,377,896.40x = 201,939,932,997,938.97 - Step 5: Solve for x
x = 201,939,932,997,938.97/16,377,896.40 - Step 6: Final answer
x = 12,330,028.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.