Finding the Fourth Proportional to 12,145,276.63, 18,221,104.95 and 4,364,976.15
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Solution
The fourth proportional to 12,145,276.63, 18,221,104.95 and 4,364,976.15 is: 6,548,610.70
Step by Step Solution
- Step 1: Write the proportion equation
12,145,276.63 : 18,221,104.95 = 4,364,976.15 : x - Step 2: Convert to fraction form
12,145,276.63/18,221,104.95 = 4,364,976.15/x - Step 3: Cross multiply
12,145,276.63x = 18,221,104.95 × 4,364,976.15 - Step 4: Simplify right side
12,145,276.63x = 79,534,688,533,396.95 - Step 5: Solve for x
x = 79,534,688,533,396.95/12,145,276.63 - Step 6: Final answer
x = 6,548,610.70
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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.