Finding the Fourth Proportional to 22,157,566.44, 30,582,543.57 and 12,993,161.64
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Solution
The fourth proportional to 22,157,566.44, 30,582,543.57 and 12,993,161.64 is: 17,933,554.79
Step by Step Solution
- Step 1: Write the proportion equation
22,157,566.44 : 30,582,543.57 = 12,993,161.64 : x - Step 2: Convert to fraction form
22,157,566.44/30,582,543.57 = 12,993,161.64/x - Step 3: Cross multiply
22,157,566.44x = 30,582,543.57 × 12,993,161.64 - Step 4: Simplify right side
22,157,566.44x = 397,363,931,803,943.75 - Step 5: Solve for x
x = 397,363,931,803,943.75/22,157,566.44 - Step 6: Final answer
x = 17,933,554.79
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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.