Finding the Fourth Proportional to 11,894,429.04, 16,413,993.12 and 6,999,939.44
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Solution
The fourth proportional to 11,894,429.04, 16,413,993.12 and 6,999,939.44 is: 9,659,728.72
Step by Step Solution
- Step 1: Write the proportion equation
11,894,429.04 : 16,413,993.12 = 6,999,939.44 : x - Step 2: Convert to fraction form
11,894,429.04/16,413,993.12 = 6,999,939.44/x - Step 3: Cross multiply
11,894,429.04x = 16,413,993.12 × 6,999,939.44 - Step 4: Simplify right side
11,894,429.04x = 114,896,957,808,576.66 - Step 5: Solve for x
x = 114,896,957,808,576.66/11,894,429.04 - Step 6: Final answer
x = 9,659,728.72
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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.