Finding the Fourth Proportional to 11,199,551.70, 15,455,406.92 and 6,237,953.34
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Solution
The fourth proportional to 11,199,551.70, 15,455,406.92 and 6,237,953.34 is: 8,608,389.85
Step by Step Solution
- Step 1: Write the proportion equation
11,199,551.70 : 15,455,406.92 = 6,237,953.34 : x - Step 2: Convert to fraction form
11,199,551.70/15,455,406.92 = 6,237,953.34/x - Step 3: Cross multiply
11,199,551.70x = 15,455,406.92 × 6,237,953.34 - Step 4: Simplify right side
11,199,551.70x = 96,410,107,217,673.11 - Step 5: Solve for x
x = 96,410,107,217,673.11/11,199,551.70 - Step 6: Final answer
x = 8,608,389.85
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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.