Finding the Fourth Proportional to 38,856,418.92, 58,283,814.33 and 12,950,595.54
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Solution
The fourth proportional to 38,856,418.92, 58,283,814.33 and 12,950,595.54 is: 19,425,621.99
Step by Step Solution
- Step 1: Write the proportion equation
38,856,418.92 : 58,283,814.33 = 12,950,595.54 : x - Step 2: Convert to fraction form
38,856,418.92/58,283,814.33 = 12,950,595.54/x - Step 3: Cross multiply
38,856,418.92x = 58,283,814.33 × 12,950,595.54 - Step 4: Simplify right side
38,856,418.92x = 754,810,105,916,286 - Step 5: Solve for x
x = 754,810,105,916,286/38,856,418.92 - Step 6: Final answer
x = 19,425,621.99
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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.