Finding the Fourth Proportional to 34,457,861.84, 47,552,168.21 and 18,988,500.06
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Solution
The fourth proportional to 34,457,861.84, 47,552,168.21 and 18,988,500.06 is: 26,204,305.80
Step by Step Solution
- Step 1: Write the proportion equation
34,457,861.84 : 47,552,168.21 = 18,988,500.06 : x - Step 2: Convert to fraction form
34,457,861.84/47,552,168.21 = 18,988,500.06/x - Step 3: Cross multiply
34,457,861.84x = 47,552,168.21 × 18,988,500.06 - Step 4: Simplify right side
34,457,861.84x = 902,944,348,813,772.50 - Step 5: Solve for x
x = 902,944,348,813,772.50/34,457,861.84 - Step 6: Final answer
x = 26,204,305.80
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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.