Finding the Fourth Proportional to 13,133,173.84, 19,699,487.73 and 4,380,082.99
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Solution
The fourth proportional to 13,133,173.84, 19,699,487.73 and 4,380,082.99 is: 6,570,033.43
Step by Step Solution
- Step 1: Write the proportion equation
13,133,173.84 : 19,699,487.73 = 4,380,082.99 : x - Step 2: Convert to fraction form
13,133,173.84/19,699,487.73 = 4,380,082.99/x - Step 3: Cross multiply
13,133,173.84x = 19,699,487.73 × 4,380,082.99 - Step 4: Simplify right side
13,133,173.84x = 86,285,391,117,886.72 - Step 5: Solve for x
x = 86,285,391,117,886.72/13,133,173.84 - Step 6: Final answer
x = 6,570,033.43
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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.