Finding the Fourth Proportional to 22,055,718.76, 30,415,768.74 and 14,601,581.08
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Solution
The fourth proportional to 22,055,718.76, 30,415,768.74 and 14,601,581.08 is: 20,136,197.70
Step by Step Solution
- Step 1: Write the proportion equation
22,055,718.76 : 30,415,768.74 = 14,601,581.08 : x - Step 2: Convert to fraction form
22,055,718.76/30,415,768.74 = 14,601,581.08/x - Step 3: Cross multiply
22,055,718.76x = 30,415,768.74 × 14,601,581.08 - Step 4: Simplify right side
22,055,718.76x = 444,118,313,367,639.44 - Step 5: Solve for x
x = 444,118,313,367,639.44/22,055,718.76 - Step 6: Final answer
x = 20,136,197.70
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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.