Finding the Fourth Proportional to 16,190,163.40, 24,253,752.30 and 9,781,378.60
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Solution
The fourth proportional to 16,190,163.40, 24,253,752.30 and 9,781,378.60 is: 14,653,041.35
Step by Step Solution
- Step 1: Write the proportion equation
16,190,163.40 : 24,253,752.30 = 9,781,378.60 : x - Step 2: Convert to fraction form
16,190,163.40/24,253,752.30 = 9,781,378.60/x - Step 3: Cross multiply
16,190,163.40x = 24,253,752.30 × 9,781,378.60 - Step 4: Simplify right side
16,190,163.40x = 237,235,133,716,920.78 - Step 5: Solve for x
x = 237,235,133,716,920.78/16,190,163.40 - Step 6: Final answer
x = 14,653,041.35
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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.