Finding the Fourth Proportional to 22,204,932.19, 30,633,423.21 and 14,865,129.95
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Solution
The fourth proportional to 22,204,932.19, 30,633,423.21 and 14,865,129.95 is: 20,507,597.72
Step by Step Solution
- Step 1: Write the proportion equation
22,204,932.19 : 30,633,423.21 = 14,865,129.95 : x - Step 2: Convert to fraction form
22,204,932.19/30,633,423.21 = 14,865,129.95/x - Step 3: Cross multiply
22,204,932.19x = 30,633,423.21 × 14,865,129.95 - Step 4: Simplify right side
22,204,932.19x = 455,369,816,676,829.06 - Step 5: Solve for x
x = 455,369,816,676,829.06/22,204,932.19 - Step 6: Final answer
x = 20,507,597.72
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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.