Finding the Fourth Proportional to 22,507,415.08, 31,060,226.68 and 12,194,138.20
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Solution
The fourth proportional to 22,507,415.08, 31,060,226.68 and 12,194,138.20 is: 16,827,907.39
Step by Step Solution
- Step 1: Write the proportion equation
22,507,415.08 : 31,060,226.68 = 12,194,138.20 : x - Step 2: Convert to fraction form
22,507,415.08/31,060,226.68 = 12,194,138.20/x - Step 3: Cross multiply
22,507,415.08x = 31,060,226.68 × 12,194,138.20 - Step 4: Simplify right side
22,507,415.08x = 378,752,696,659,247.12 - Step 5: Solve for x
x = 378,752,696,659,247.12/22,507,415.08 - Step 6: Final answer
x = 16,827,907.39
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1.5x scale
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.