Finding the Fourth Proportional to 39,950,538.72, 55,125,832.68 and 24,261,404.64
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Solution
The fourth proportional to 39,950,538.72, 55,125,832.68 and 24,261,404.64 is: 33,477,148.89
Step by Step Solution
- Step 1: Write the proportion equation
39,950,538.72 : 55,125,832.68 = 24,261,404.64 : x - Step 2: Convert to fraction form
39,950,538.72/55,125,832.68 = 24,261,404.64/x - Step 3: Cross multiply
39,950,538.72x = 55,125,832.68 × 24,261,404.64 - Step 4: Simplify right side
39,950,538.72x = 1,337,430,132,766,415.75 - Step 5: Solve for x
x = 1,337,430,132,766,415.75/39,950,538.72 - Step 6: Final answer
x = 33,477,148.89
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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.