Finding the Fourth Proportional to 38,542,228.31, 57,828,473.98 and 16,961,691.87
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Solution
The fourth proportional to 38,542,228.31, 57,828,473.98 and 16,961,691.87 is: 25,449,196.89
Step by Step Solution
- Step 1: Write the proportion equation
38,542,228.31 : 57,828,473.98 = 16,961,691.87 : x - Step 2: Convert to fraction form
38,542,228.31/57,828,473.98 = 16,961,691.87/x - Step 3: Cross multiply
38,542,228.31x = 57,828,473.98 × 16,961,691.87 - Step 4: Simplify right side
38,542,228.31x = 980,868,756,918,668.38 - Step 5: Solve for x
x = 980,868,756,918,668.38/38,542,228.31 - Step 6: Final answer
x = 25,449,196.89
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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.