Finding the Fourth Proportional to 8,695,908.36, 12,985,304.49 and 7,101,633.96
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Solution
The fourth proportional to 8,695,908.36, 12,985,304.49 and 7,101,633.96 is: 10,604,628.70
Step by Step Solution
- Step 1: Write the proportion equation
8,695,908.36 : 12,985,304.49 = 7,101,633.96 : x - Step 2: Convert to fraction form
8,695,908.36/12,985,304.49 = 7,101,633.96/x - Step 3: Cross multiply
8,695,908.36x = 12,985,304.49 × 7,101,633.96 - Step 4: Simplify right side
8,695,908.36x = 92,216,879,347,124.48 - Step 5: Solve for x
x = 92,216,879,347,124.48/8,695,908.36 - Step 6: Final answer
x = 10,604,628.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.