Finding the Fourth Proportional to 8,610,512.09, 11,883,346.85 and 6,431,275.94
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Solution
The fourth proportional to 8,610,512.09, 11,883,346.85 and 6,431,275.94 is: 8,875,788.32
Step by Step Solution
- Step 1: Write the proportion equation
8,610,512.09 : 11,883,346.85 = 6,431,275.94 : x - Step 2: Convert to fraction form
8,610,512.09/11,883,346.85 = 6,431,275.94/x - Step 3: Cross multiply
8,610,512.09x = 11,883,346.85 × 6,431,275.94 - Step 4: Simplify right side
8,610,512.09x = 76,425,082,650,923.42 - Step 5: Solve for x
x = 76,425,082,650,923.42/8,610,512.09 - Step 6: Final answer
x = 8,875,788.32
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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.