Finding the Fourth Proportional to 16,387,856.20, 24,591,625.80 and 6,802,235.20
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Solution
The fourth proportional to 16,387,856.20, 24,591,625.80 and 6,802,235.20 is: 10,207,437.79
Step by Step Solution
- Step 1: Write the proportion equation
16,387,856.20 : 24,591,625.80 = 6,802,235.20 : x - Step 2: Convert to fraction form
16,387,856.20/24,591,625.80 = 6,802,235.20/x - Step 3: Cross multiply
16,387,856.20x = 24,591,625.80 × 6,802,235.20 - Step 4: Simplify right side
16,387,856.20x = 167,278,022,641,988.16 - Step 5: Solve for x
x = 167,278,022,641,988.16/16,387,856.20 - Step 6: Final answer
x = 10,207,437.79
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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.