Finding the Fourth Proportional to 7,758,732.06, 10,707,382.43 and 4,320,973.09
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Solution
The fourth proportional to 7,758,732.06, 10,707,382.43 and 4,320,973.09 is: 5,963,127.87
Step by Step Solution
- Step 1: Write the proportion equation
7,758,732.06 : 10,707,382.43 = 4,320,973.09 : x - Step 2: Convert to fraction form
7,758,732.06/10,707,382.43 = 4,320,973.09/x - Step 3: Cross multiply
7,758,732.06x = 10,707,382.43 × 4,320,973.09 - Step 4: Simplify right side
7,758,732.06x = 46,266,311,344,368.80 - Step 5: Solve for x
x = 46,266,311,344,368.80/7,758,732.06 - Step 6: Final answer
x = 5,963,127.87
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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.