Finding the Fourth Proportional to 21,713,657.11, 32,576,789.08 and 8,753,118.46
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Solution
The fourth proportional to 21,713,657.11, 32,576,789.08 and 8,753,118.46 is: 13,132,218.69
Step by Step Solution
- Step 1: Write the proportion equation
21,713,657.11 : 32,576,789.08 = 8,753,118.46 : x - Step 2: Convert to fraction form
21,713,657.11/32,576,789.08 = 8,753,118.46/x - Step 3: Cross multiply
21,713,657.11x = 32,576,789.08 × 8,753,118.46 - Step 4: Simplify right side
21,713,657.11x = 285,148,493,793,173.81 - Step 5: Solve for x
x = 285,148,493,793,173.81/21,713,657.11 - Step 6: Final answer
x = 13,132,218.69
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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.