Finding the Fourth Proportional to 39,677,821.21, 54,752,370.33 and 22,270,803.40
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Solution
The fourth proportional to 39,677,821.21, 54,752,370.33 and 22,270,803.40 is: 30,732,011.94
Step by Step Solution
- Step 1: Write the proportion equation
39,677,821.21 : 54,752,370.33 = 22,270,803.40 : x - Step 2: Convert to fraction form
39,677,821.21/54,752,370.33 = 22,270,803.40/x - Step 3: Cross multiply
39,677,821.21x = 54,752,370.33 × 22,270,803.40 - Step 4: Simplify right side
39,677,821.21x = 1,219,379,275,303,423 - Step 5: Solve for x
x = 1,219,379,275,303,423/39,677,821.21 - Step 6: Final answer
x = 30,732,011.94
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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.