Finding the Fourth Proportional to 19,266,220.72, 28,879,101.24 and 6,482,287.18
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Solution
The fourth proportional to 19,266,220.72, 28,879,101.24 and 6,482,287.18 is: 9,716,624.26
Step by Step Solution
- Step 1: Write the proportion equation
19,266,220.72 : 28,879,101.24 = 6,482,287.18 : x - Step 2: Convert to fraction form
19,266,220.72/28,879,101.24 = 6,482,287.18/x - Step 3: Cross multiply
19,266,220.72x = 28,879,101.24 × 6,482,287.18 - Step 4: Simplify right side
19,266,220.72x = 187,202,627,737,974.09 - Step 5: Solve for x
x = 187,202,627,737,974.09/19,266,220.72 - Step 6: Final answer
x = 9,716,624.26
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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.