Finding the Fourth Proportional to 16,728,602.91, 25,078,289.68 and 6,486,406.23
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Solution
The fourth proportional to 16,728,602.91, 25,078,289.68 and 6,486,406.23 is: 9,723,942.60
Step by Step Solution
- Step 1: Write the proportion equation
16,728,602.91 : 25,078,289.68 = 6,486,406.23 : x - Step 2: Convert to fraction form
16,728,602.91/25,078,289.68 = 6,486,406.23/x - Step 3: Cross multiply
16,728,602.91x = 25,078,289.68 × 6,486,406.23 - Step 4: Simplify right side
16,728,602.91x = 162,667,974,418,096.72 - Step 5: Solve for x
x = 162,667,974,418,096.72/16,728,602.91 - Step 6: Final answer
x = 9,723,942.60
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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.