Finding the Fourth Proportional to 22,220,910.99, 33,313,429.44 and 20,427,297.75
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Solution
The fourth proportional to 22,220,910.99, 33,313,429.44 and 20,427,297.75 is: 30,624,457.41
Step by Step Solution
- Step 1: Write the proportion equation
22,220,910.99 : 33,313,429.44 = 20,427,297.75 : x - Step 2: Convert to fraction form
22,220,910.99/33,313,429.44 = 20,427,297.75/x - Step 3: Cross multiply
22,220,910.99x = 33,313,429.44 × 20,427,297.75 - Step 4: Simplify right side
22,220,910.99x = 680,503,342,244,495.75 - Step 5: Solve for x
x = 680,503,342,244,495.75/22,220,910.99 - Step 6: Final answer
x = 30,624,457.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.