Finding the Fourth Proportional to 18,670,316.64, 27,952,661.97 and 9,896,603.67
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Solution
The fourth proportional to 18,670,316.64, 27,952,661.97 and 9,896,603.67 is: 14,816,910.84
Step by Step Solution
- Step 1: Write the proportion equation
18,670,316.64 : 27,952,661.97 = 9,896,603.67 : x - Step 2: Convert to fraction form
18,670,316.64/27,952,661.97 = 9,896,603.67/x - Step 3: Cross multiply
18,670,316.64x = 27,952,661.97 × 9,896,603.67 - Step 4: Simplify right side
18,670,316.64x = 276,636,417,038,571.41 - Step 5: Solve for x
x = 276,636,417,038,571.41/18,670,316.64 - Step 6: Final answer
x = 14,816,910.84
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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.