Finding the Fourth Proportional to 22,021,207.70, 30,893,463.70 and 22,021,207.70
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Solution
The fourth proportional to 22,021,207.70, 30,893,463.70 and 22,021,207.70 is: 30,893,463.70
Step by Step Solution
- Step 1: Write the proportion equation
22,021,207.70 : 30,893,463.70 = 22,021,207.70 : x - Step 2: Convert to fraction form
22,021,207.70/30,893,463.70 = 22,021,207.70/x - Step 3: Cross multiply
22,021,207.70x = 30,893,463.70 × 22,021,207.70 - Step 4: Simplify right side
22,021,207.70x = 680,311,380,710,110.50 - Step 5: Solve for x
x = 680,311,380,710,110.50/22,021,207.70 - Step 6: Final answer
x = 30,893,463.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.