Finding the Fourth Proportional to 18,101,966.70, 27,184,442.85 and 9,598,910.70
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Solution
The fourth proportional to 18,101,966.70, 27,184,442.85 and 9,598,910.70 is: 14,415,065.70
Step by Step Solution
- Step 1: Write the proportion equation
18,101,966.70 : 27,184,442.85 = 9,598,910.70 : x - Step 2: Convert to fraction form
18,101,966.70/27,184,442.85 = 9,598,910.70/x - Step 3: Cross multiply
18,101,966.70x = 27,184,442.85 × 9,598,910.70 - Step 4: Simplify right side
18,101,966.70x = 260,941,039,346,403.50 - Step 5: Solve for x
x = 260,941,039,346,403.50/18,101,966.70 - Step 6: Final answer
x = 14,415,065.70
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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.