Finding the Fourth Proportional to 11,232,021.30, 16,848,031.95 and 7,449,774.90
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Solution
The fourth proportional to 11,232,021.30, 16,848,031.95 and 7,449,774.90 is: 11,174,662.35
Step by Step Solution
- Step 1: Write the proportion equation
11,232,021.30 : 16,848,031.95 = 7,449,774.90 : x - Step 2: Convert to fraction form
11,232,021.30/16,848,031.95 = 7,449,774.90/x - Step 3: Cross multiply
11,232,021.30x = 16,848,031.95 × 7,449,774.90 - Step 4: Simplify right side
11,232,021.30x = 125,514,045,535,508.06 - Step 5: Solve for x
x = 125,514,045,535,508.06/11,232,021.30 - Step 6: Final answer
x = 11,174,662.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.