Finding the Fourth Proportional to 14,438,379.57, 21,656,486.78 and 4,203,317.98
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Solution
The fourth proportional to 14,438,379.57, 21,656,486.78 and 4,203,317.98 is: 6,304,661.81
Step by Step Solution
- Step 1: Write the proportion equation
14,438,379.57 : 21,656,486.78 = 4,203,317.98 : x - Step 2: Convert to fraction form
14,438,379.57/21,656,486.78 = 4,203,317.98/x - Step 3: Cross multiply
14,438,379.57x = 21,656,486.78 × 4,203,317.98 - Step 4: Simplify right side
14,438,379.57x = 91,029,100,266,006.31 - Step 5: Solve for x
x = 91,029,100,266,006.31/14,438,379.57 - Step 6: Final answer
x = 6,304,661.81
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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.