Finding the Fourth Proportional to 16,071,381.48, 22,178,669.22 and 8,729,358
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Solution
The fourth proportional to 16,071,381.48, 22,178,669.22 and 8,729,358 is: 12,046,602.45
Step by Step Solution
- Step 1: Write the proportion equation
16,071,381.48 : 22,178,669.22 = 8,729,358 : x - Step 2: Convert to fraction form
16,071,381.48/22,178,669.22 = 8,729,358/x - Step 3: Cross multiply
16,071,381.48x = 22,178,669.22 × 8,729,358 - Step 4: Simplify right side
16,071,381.48x = 193,605,543,584,960.75 - Step 5: Solve for x
x = 193,605,543,584,960.75/16,071,381.48 - Step 6: Final answer
x = 12,046,602.45
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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.