Finding the Fourth Proportional to 38,107,083.02, 57,162,756.84 and 12,201,663.42
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Solution
The fourth proportional to 38,107,083.02, 57,162,756.84 and 12,201,663.42 is: 18,303,177.88
Step by Step Solution
- Step 1: Write the proportion equation
38,107,083.02 : 57,162,756.84 = 12,201,663.42 : x - Step 2: Convert to fraction form
38,107,083.02/57,162,756.84 = 12,201,663.42/x - Step 3: Cross multiply
38,107,083.02x = 57,162,756.84 × 12,201,663.42 - Step 4: Simplify right side
38,107,083.02x = 697,480,719,120,982.88 - Step 5: Solve for x
x = 697,480,719,120,982.88/38,107,083.02 - Step 6: Final answer
x = 18,303,177.88
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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.