Finding the Fourth Proportional to 19,344,053.82, 26,694,793.98 and 10,642,039.68
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Solution
The fourth proportional to 19,344,053.82, 26,694,793.98 and 10,642,039.68 is: 14,686,014.60
Step by Step Solution
- Step 1: Write the proportion equation
19,344,053.82 : 26,694,793.98 = 10,642,039.68 : x - Step 2: Convert to fraction form
19,344,053.82/26,694,793.98 = 10,642,039.68/x - Step 3: Cross multiply
19,344,053.82x = 26,694,793.98 × 10,642,039.68 - Step 4: Simplify right side
19,344,053.82x = 284,087,056,784,585.12 - Step 5: Solve for x
x = 284,087,056,784,585.12/19,344,053.82 - Step 6: Final answer
x = 14,686,014.60
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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.