Finding the Fourth Proportional to 8,422,248.67, 11,622,738.18 and 4,554,769.80
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Solution
The fourth proportional to 8,422,248.67, 11,622,738.18 and 4,554,769.80 is: 6,285,601.26
Step by Step Solution
- Step 1: Write the proportion equation
8,422,248.67 : 11,622,738.18 = 4,554,769.80 : x - Step 2: Convert to fraction form
8,422,248.67/11,622,738.18 = 4,554,769.80/x - Step 3: Cross multiply
8,422,248.67x = 11,622,738.18 × 4,554,769.80 - Step 4: Simplify right side
8,422,248.67x = 52,938,896,855,570.96 - Step 5: Solve for x
x = 52,938,896,855,570.96/8,422,248.67 - Step 6: Final answer
x = 6,285,601.26
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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.