Finding the Fourth Proportional to 14,456,514.18, 19,949,803.45 and 8,261,489.95
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Solution
The fourth proportional to 14,456,514.18, 19,949,803.45 and 8,261,489.95 is: 11,400,749.77
Step by Step Solution
- Step 1: Write the proportion equation
14,456,514.18 : 19,949,803.45 = 8,261,489.95 : x - Step 2: Convert to fraction form
14,456,514.18/19,949,803.45 = 8,261,489.95/x - Step 3: Cross multiply
14,456,514.18x = 19,949,803.45 × 8,261,489.95 - Step 4: Simplify right side
14,456,514.18x = 164,815,100,665,342.88 - Step 5: Solve for x
x = 164,815,100,665,342.88/14,456,514.18 - Step 6: Final answer
x = 11,400,749.77
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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.