Finding the Fourth Proportional to 14,128,823.24, 21,179,782.67 and 4,537,475.70
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Solution
The fourth proportional to 14,128,823.24, 21,179,782.67 and 4,537,475.70 is: 6,801,893.38
Step by Step Solution
- Step 1: Write the proportion equation
14,128,823.24 : 21,179,782.67 = 4,537,475.70 : x - Step 2: Convert to fraction form
14,128,823.24/21,179,782.67 = 4,537,475.70/x - Step 3: Cross multiply
14,128,823.24x = 21,179,782.67 × 4,537,475.70 - Step 4: Simplify right side
14,128,823.24x = 96,102,749,173,718.73 - Step 5: Solve for x
x = 96,102,749,173,718.73/14,128,823.24 - Step 6: Final answer
x = 6,801,893.38
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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.