Finding the Fourth Proportional to 12,252,385.02, 18,378,573.21 and 3,276,703.74
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Solution
The fourth proportional to 12,252,385.02, 18,378,573.21 and 3,276,703.74 is: 4,915,054.45
Step by Step Solution
- Step 1: Write the proportion equation
12,252,385.02 : 18,378,573.21 = 3,276,703.74 : x - Step 2: Convert to fraction form
12,252,385.02/18,378,573.21 = 3,276,703.74/x - Step 3: Cross multiply
12,252,385.02x = 18,378,573.21 × 3,276,703.74 - Step 4: Simplify right side
12,252,385.02x = 60,221,139,573,070.81 - Step 5: Solve for x
x = 60,221,139,573,070.81/12,252,385.02 - Step 6: Final answer
x = 4,915,054.45
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1.5x scale
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.