Finding the Fourth Proportional to 13,726,415.92, 18,942,476.28 and 7,614,844.48
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Solution
The fourth proportional to 13,726,415.92, 18,942,476.28 and 7,614,844.48 is: 10,508,497.76
Step by Step Solution
- Step 1: Write the proportion equation
13,726,415.92 : 18,942,476.28 = 7,614,844.48 : x - Step 2: Convert to fraction form
13,726,415.92/18,942,476.28 = 7,614,844.48/x - Step 3: Cross multiply
13,726,415.92x = 18,942,476.28 × 7,614,844.48 - Step 4: Simplify right side
13,726,415.92x = 144,244,010,938,288.94 - Step 5: Solve for x
x = 144,244,010,938,288.94/13,726,415.92 - Step 6: Final answer
x = 10,508,497.76
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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.