Finding the Fourth Proportional to 18,979,603.72, 28,463,517.48 and 6,847,490.08
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Solution
The fourth proportional to 18,979,603.72, 28,463,517.48 and 6,847,490.08 is: 10,269,110.80
Step by Step Solution
- Step 1: Write the proportion equation
18,979,603.72 : 28,463,517.48 = 6,847,490.08 : x - Step 2: Convert to fraction form
18,979,603.72/28,463,517.48 = 6,847,490.08/x - Step 3: Cross multiply
18,979,603.72x = 28,463,517.48 × 6,847,490.08 - Step 4: Simplify right side
18,979,603.72x = 194,903,653,586,206.59 - Step 5: Solve for x
x = 194,903,653,586,206.59/18,979,603.72 - Step 6: Final answer
x = 10,269,110.80
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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.