Finding the Fourth Proportional to 48,632,949.92, 72,974,573.28 and 21,358,415.84
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Solution
The fourth proportional to 48,632,949.92, 72,974,573.28 and 21,358,415.84 is: 32,048,668.33
Step by Step Solution
- Step 1: Write the proportion equation
48,632,949.92 : 72,974,573.28 = 21,358,415.84 : x - Step 2: Convert to fraction form
48,632,949.92/72,974,573.28 = 21,358,415.84/x - Step 3: Cross multiply
48,632,949.92x = 72,974,573.28 × 21,358,415.84 - Step 4: Simplify right side
48,632,949.92x = 1,558,621,281,860,792.75 - Step 5: Solve for x
x = 1,558,621,281,860,792.75/48,632,949.92 - Step 6: Final answer
x = 32,048,668.33
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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.