Finding the Fourth Proportional to 8,214,450.47, 12,319,055.40 and 2,821,800.54
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Solution
The fourth proportional to 8,214,450.47, 12,319,055.40 and 2,821,800.54 is: 4,231,800.70
Step by Step Solution
- Step 1: Write the proportion equation
8,214,450.47 : 12,319,055.40 = 2,821,800.54 : x - Step 2: Convert to fraction form
8,214,450.47/12,319,055.40 = 2,821,800.54/x - Step 3: Cross multiply
8,214,450.47x = 12,319,055.40 × 2,821,800.54 - Step 4: Simplify right side
8,214,450.47x = 34,761,917,236,788.13 - Step 5: Solve for x
x = 34,761,917,236,788.13/8,214,450.47 - Step 6: Final answer
x = 4,231,800.70
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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.