Finding the Fourth Proportional to 16,181,705.23, 22,331,432.06 and 9,306,192.76
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Solution
The fourth proportional to 16,181,705.23, 22,331,432.06 and 9,306,192.76 is: 12,842,936.42
Step by Step Solution
- Step 1: Write the proportion equation
16,181,705.23 : 22,331,432.06 = 9,306,192.76 : x - Step 2: Convert to fraction form
16,181,705.23/22,331,432.06 = 9,306,192.76/x - Step 3: Cross multiply
16,181,705.23x = 22,331,432.06 × 9,306,192.76 - Step 4: Simplify right side
16,181,705.23x = 207,820,611,324,640.78 - Step 5: Solve for x
x = 207,820,611,324,640.78/16,181,705.23 - Step 6: Final answer
x = 12,842,936.42
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1.5x scale
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.