Finding the Fourth Proportional to 10,729,409.38, 14,806,973.75 and 6,146,616.49
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Solution
The fourth proportional to 10,729,409.38, 14,806,973.75 and 6,146,616.49 is: 8,482,553.49
Step by Step Solution
- Step 1: Write the proportion equation
10,729,409.38 : 14,806,973.75 = 6,146,616.49 : x - Step 2: Convert to fraction form
10,729,409.38/14,806,973.75 = 6,146,616.49/x - Step 3: Cross multiply
10,729,409.38x = 14,806,973.75 × 6,146,616.49 - Step 4: Simplify right side
10,729,409.38x = 91,012,788,950,996.61 - Step 5: Solve for x
x = 91,012,788,950,996.61/10,729,409.38 - Step 6: Final answer
x = 8,482,553.49
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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.