Finding the Fourth Proportional to 7,632,000.30, 11,448,000.45 and 5,392,512.30
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Solution
The fourth proportional to 7,632,000.30, 11,448,000.45 and 5,392,512.30 is: 8,088,768.45
Step by Step Solution
- Step 1: Write the proportion equation
7,632,000.30 : 11,448,000.45 = 5,392,512.30 : x - Step 2: Convert to fraction form
7,632,000.30/11,448,000.45 = 5,392,512.30/x - Step 3: Cross multiply
7,632,000.30x = 11,448,000.45 × 5,392,512.30 - Step 4: Simplify right side
7,632,000.30x = 61,733,483,237,030.53 - Step 5: Solve for x
x = 61,733,483,237,030.53/7,632,000.30 - Step 6: Final answer
x = 8,088,768.45
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Similar ratio
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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.