Finding the Fourth Proportional to 19,052,191.20, 26,294,277.84 and 11,317,264.08
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Solution
The fourth proportional to 19,052,191.20, 26,294,277.84 and 11,317,264.08 is: 15,619,163.33
Step by Step Solution
- Step 1: Write the proportion equation
19,052,191.20 : 26,294,277.84 = 11,317,264.08 : x - Step 2: Convert to fraction form
19,052,191.20/26,294,277.84 = 11,317,264.08/x - Step 3: Cross multiply
19,052,191.20x = 26,294,277.84 × 11,317,264.08 - Step 4: Simplify right side
19,052,191.20x = 297,579,286,108,172 - Step 5: Solve for x
x = 297,579,286,108,172/19,052,191.20 - Step 6: Final answer
x = 15,619,163.33
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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.