Finding the Fourth Proportional to 10,729,438.30, 14,807,013.42 and 6,146,645.41
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Solution
The fourth proportional to 10,729,438.30, 14,807,013.42 and 6,146,645.41 is: 8,482,593.26
Step by Step Solution
- Step 1: Write the proportion equation
10,729,438.30 : 14,807,013.42 = 6,146,645.41 : x - Step 2: Convert to fraction form
10,729,438.30/14,807,013.42 = 6,146,645.41/x - Step 3: Cross multiply
10,729,438.30x = 14,807,013.42 × 6,146,645.41 - Step 4: Simplify right side
10,729,438.30x = 91,013,460,969,083.11 - Step 5: Solve for x
x = 91,013,460,969,083.11/10,729,438.30 - Step 6: Final answer
x = 8,482,593.26
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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.