Finding the Fourth Proportional to 19,344,557.09, 26,695,487.84 and 10,642,542.89
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Solution
The fourth proportional to 19,344,557.09, 26,695,487.84 and 10,642,542.89 is: 14,686,708.66
Step by Step Solution
- Step 1: Write the proportion equation
19,344,557.09 : 26,695,487.84 = 10,642,542.89 : x - Step 2: Convert to fraction form
19,344,557.09/26,695,487.84 = 10,642,542.89/x - Step 3: Cross multiply
19,344,557.09x = 26,695,487.84 × 10,642,542.89 - Step 4: Simplify right side
19,344,557.09x = 284,107,874,119,983.31 - Step 5: Solve for x
x = 284,107,874,119,983.31/19,344,557.09 - Step 6: Final answer
x = 14,686,708.66
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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.