Finding the Fourth Proportional to 20,025,794.27, 27,636,139.47 and 11,325,267.98
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Solution
The fourth proportional to 20,025,794.27, 27,636,139.47 and 11,325,267.98 is: 15,629,177.11
Step by Step Solution
- Step 1: Write the proportion equation
20,025,794.27 : 27,636,139.47 = 11,325,267.98 : x - Step 2: Convert to fraction form
20,025,794.27/27,636,139.47 = 11,325,267.98/x - Step 3: Cross multiply
20,025,794.27x = 27,636,139.47 × 11,325,267.98 - Step 4: Simplify right side
20,025,794.27x = 312,986,685,430,405.19 - Step 5: Solve for x
x = 312,986,685,430,405.19/20,025,794.27 - Step 6: Final answer
x = 15,629,177.11
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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.