Finding the Fourth Proportional to 18,670,316.58, 27,952,661.87 and 9,896,603.60
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Solution
The fourth proportional to 18,670,316.58, 27,952,661.87 and 9,896,603.60 is: 14,816,910.73
Step by Step Solution
- Step 1: Write the proportion equation
18,670,316.58 : 27,952,661.87 = 9,896,603.60 : x - Step 2: Convert to fraction form
18,670,316.58/27,952,661.87 = 9,896,603.60/x - Step 3: Cross multiply
18,670,316.58x = 27,952,661.87 × 9,896,603.60 - Step 4: Simplify right side
18,670,316.58x = 276,636,414,112,623.31 - Step 5: Solve for x
x = 276,636,414,112,623.31/18,670,316.58 - Step 6: Final answer
x = 14,816,910.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.