Finding the Fourth Proportional to 7,338,840.84, 10,127,936.66 and 4,075,669.98
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Solution
The fourth proportional to 7,338,840.84, 10,127,936.66 and 4,075,669.98 is: 5,624,611.34
Step by Step Solution
- Step 1: Write the proportion equation
7,338,840.84 : 10,127,936.66 = 4,075,669.98 : x - Step 2: Convert to fraction form
7,338,840.84/10,127,936.66 = 4,075,669.98/x - Step 3: Cross multiply
7,338,840.84x = 10,127,936.66 × 4,075,669.98 - Step 4: Simplify right side
7,338,840.84x = 41,278,127,384,125.12 - Step 5: Solve for x
x = 41,278,127,384,125.12/7,338,840.84 - Step 6: Final answer
x = 5,624,611.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.