Finding the Fourth Proportional to 32,258,719.70, 48,388,079.55 and 28,479,583.70
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Solution
The fourth proportional to 32,258,719.70, 48,388,079.55 and 28,479,583.70 is: 42,719,375.55
Step by Step Solution
- Step 1: Write the proportion equation
32,258,719.70 : 48,388,079.55 = 28,479,583.70 : x - Step 2: Convert to fraction form
32,258,719.70/48,388,079.55 = 28,479,583.70/x - Step 3: Cross multiply
32,258,719.70x = 48,388,079.55 × 28,479,583.70 - Step 4: Simplify right side
32,258,719.70x = 1,378,072,361,626,483.25 - Step 5: Solve for x
x = 1,378,072,361,626,483.25/32,258,719.70 - Step 6: Final answer
x = 42,719,375.55
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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.