Finding the Fourth Proportional to 38,841,331.80, 58,248,000.90 and 19,665,715.80
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Solution
The fourth proportional to 38,841,331.80, 58,248,000.90 and 19,665,715.80 is: 29,491,486.99
Step by Step Solution
- Step 1: Write the proportion equation
38,841,331.80 : 58,248,000.90 = 19,665,715.80 : x - Step 2: Convert to fraction form
38,841,331.80/58,248,000.90 = 19,665,715.80/x - Step 3: Cross multiply
38,841,331.80x = 58,248,000.90 × 19,665,715.80 - Step 4: Simplify right side
38,841,331.80x = 1,145,488,631,617,544.25 - Step 5: Solve for x
x = 1,145,488,631,617,544.25/38,841,331.80 - Step 6: Final answer
x = 29,491,486.99
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1.5x scale
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.