Finding the Fourth Proportional to 7,624,806.19, 11,437,577.12 and 2,507,122.78
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Solution
The fourth proportional to 7,624,806.19, 11,437,577.12 and 2,507,122.78 is: 3,760,805.11
Step by Step Solution
- Step 1: Write the proportion equation
7,624,806.19 : 11,437,577.12 = 2,507,122.78 : x - Step 2: Convert to fraction form
7,624,806.19/11,437,577.12 = 2,507,122.78/x - Step 3: Cross multiply
7,624,806.19x = 11,437,577.12 × 2,507,122.78 - Step 4: Simplify right side
7,624,806.19x = 28,675,410,075,835.29 - Step 5: Solve for x
x = 28,675,410,075,835.29/7,624,806.19 - Step 6: Final answer
x = 3,760,805.11
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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.