Finding the Fourth Proportional to 14,368,567.93, 21,555,691.15 and 5,270,749.99
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Solution
The fourth proportional to 14,368,567.93, 21,555,691.15 and 5,270,749.99 is: 7,907,166.49
Step by Step Solution
- Step 1: Write the proportion equation
14,368,567.93 : 21,555,691.15 = 5,270,749.99 : x - Step 2: Convert to fraction form
14,368,567.93/21,555,691.15 = 5,270,749.99/x - Step 3: Cross multiply
14,368,567.93x = 21,555,691.15 × 5,270,749.99 - Step 4: Simplify right side
14,368,567.93x = 113,614,658,886,951.84 - Step 5: Solve for x
x = 113,614,658,886,951.84/14,368,567.93 - Step 6: Final answer
x = 7,907,166.49
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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.