Finding the Fourth Proportional to 38,789,271.12, 58,192,421.94 and 11,497,668.96
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Solution
The fourth proportional to 38,789,271.12, 58,192,421.94 and 11,497,668.96 is: 17,249,027.48
Step by Step Solution
- Step 1: Write the proportion equation
38,789,271.12 : 58,192,421.94 = 11,497,668.96 : x - Step 2: Convert to fraction form
38,789,271.12/58,192,421.94 = 11,497,668.96/x - Step 3: Cross multiply
38,789,271.12x = 58,192,421.94 × 11,497,668.96 - Step 4: Simplify right side
38,789,271.12x = 669,077,203,446,761 - Step 5: Solve for x
x = 669,077,203,446,761/38,789,271.12 - Step 6: Final answer
x = 17,249,027.48
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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.