Finding the Fourth Proportional to 11,723,353.73, 16,178,323.12 and 6,496,449.21
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Solution
The fourth proportional to 11,723,353.73, 16,178,323.12 and 6,496,449.21 is: 8,965,152.54
Step by Step Solution
- Step 1: Write the proportion equation
11,723,353.73 : 16,178,323.12 = 6,496,449.21 : x - Step 2: Convert to fraction form
11,723,353.73/16,178,323.12 = 6,496,449.21/x - Step 3: Cross multiply
11,723,353.73x = 16,178,323.12 × 6,496,449.21 - Step 4: Simplify right side
11,723,353.73x = 105,101,654,435,807.61 - Step 5: Solve for x
x = 105,101,654,435,807.61/11,723,353.73 - Step 6: Final answer
x = 8,965,152.54
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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.