Finding the Fourth Proportional to 28,682,785.08, 39,581,239.14 and 16,123,456.44
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Solution
The fourth proportional to 28,682,785.08, 39,581,239.14 and 16,123,456.44 is: 22,249,805.36
Step by Step Solution
- Step 1: Write the proportion equation
28,682,785.08 : 39,581,239.14 = 16,123,456.44 : x - Step 2: Convert to fraction form
28,682,785.08/39,581,239.14 = 16,123,456.44/x - Step 3: Cross multiply
28,682,785.08x = 39,581,239.14 × 16,123,456.44 - Step 4: Simplify right side
28,682,785.08x = 638,186,385,115,013 - Step 5: Solve for x
x = 638,186,385,115,013/28,682,785.08 - Step 6: Final answer
x = 22,249,805.36
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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.