Finding the Fourth Proportional to 8,675,618.65, 11,972,353.49 and 4,808,720.77
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Solution
The fourth proportional to 8,675,618.65, 11,972,353.49 and 4,808,720.77 is: 6,636,034.52
Step by Step Solution
- Step 1: Write the proportion equation
8,675,618.65 : 11,972,353.49 = 4,808,720.77 : x - Step 2: Convert to fraction form
8,675,618.65/11,972,353.49 = 4,808,720.77/x - Step 3: Cross multiply
8,675,618.65x = 11,972,353.49 × 4,808,720.77 - Step 4: Simplify right side
8,675,618.65x = 57,571,704,845,305.02 - Step 5: Solve for x
x = 57,571,704,845,305.02/8,675,618.65 - Step 6: Final answer
x = 6,636,034.52
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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.