Finding the Fourth Proportional to 11,553,415.37, 15,944,211.42 and 6,396,776.91
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Solution
The fourth proportional to 11,553,415.37, 15,944,211.42 and 6,396,776.91 is: 8,827,827.98
Step by Step Solution
- Step 1: Write the proportion equation
11,553,415.37 : 15,944,211.42 = 6,396,776.91 : x - Step 2: Convert to fraction form
11,553,415.37/15,944,211.42 = 6,396,776.91/x - Step 3: Cross multiply
11,553,415.37x = 15,944,211.42 × 6,396,776.91 - Step 4: Simplify right side
11,553,415.37x = 101,991,563,459,614.31 - Step 5: Solve for x
x = 101,991,563,459,614.31/11,553,415.37 - Step 6: Final answer
x = 8,827,827.98
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1.5x scale
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.