Finding the Fourth Proportional to 18,346,772.70, 27,520,049.70 and 4,699,892.70
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Solution
The fourth proportional to 18,346,772.70, 27,520,049.70 and 4,699,892.70 is: 7,049,811.04
Step by Step Solution
- Step 1: Write the proportion equation
18,346,772.70 : 27,520,049.70 = 4,699,892.70 : x - Step 2: Convert to fraction form
18,346,772.70/27,520,049.70 = 4,699,892.70/x - Step 3: Cross multiply
18,346,772.70x = 27,520,049.70 × 4,699,892.70 - Step 4: Simplify right side
18,346,772.70x = 129,341,280,688,667.19 - Step 5: Solve for x
x = 129,341,280,688,667.19/18,346,772.70 - Step 6: Final answer
x = 7,049,811.04
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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.