Finding the Fourth Proportional to 13,121,232.58, 19,679,605.67 and 3,534,369.09
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Solution
The fourth proportional to 13,121,232.58, 19,679,605.67 and 3,534,369.09 is: 5,300,949.40
Step by Step Solution
- Step 1: Write the proportion equation
13,121,232.58 : 19,679,605.67 = 3,534,369.09 : x - Step 2: Convert to fraction form
13,121,232.58/19,679,605.67 = 3,534,369.09/x - Step 3: Cross multiply
13,121,232.58x = 19,679,605.67 × 3,534,369.09 - Step 4: Simplify right side
13,121,232.58x = 69,554,989,908,535.50 - Step 5: Solve for x
x = 69,554,989,908,535.50/13,121,232.58 - Step 6: Final answer
x = 5,300,949.40
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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.