Finding the Fourth Proportional to 9,986,825.36, 14,984,553.64 and 5,370,415.93
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Solution
The fourth proportional to 9,986,825.36, 14,984,553.64 and 5,370,415.93 is: 8,057,944.61
Step by Step Solution
- Step 1: Write the proportion equation
9,986,825.36 : 14,984,553.64 = 5,370,415.93 : x - Step 2: Convert to fraction form
9,986,825.36/14,984,553.64 = 5,370,415.93/x - Step 3: Cross multiply
9,986,825.36x = 14,984,553.64 × 5,370,415.93 - Step 4: Simplify right side
9,986,825.36x = 80,473,285,545,343.41 - Step 5: Solve for x
x = 80,473,285,545,343.41/9,986,825.36 - Step 6: Final answer
x = 8,057,944.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.