Finding the Fourth Proportional to 14,158,021.44, 19,537,447.68 and 7,963,584.96
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Solution
The fourth proportional to 14,158,021.44, 19,537,447.68 and 7,963,584.96 is: 10,989,397.44
Step by Step Solution
- Step 1: Write the proportion equation
14,158,021.44 : 19,537,447.68 = 7,963,584.96 : x - Step 2: Convert to fraction form
14,158,021.44/19,537,447.68 = 7,963,584.96/x - Step 3: Cross multiply
14,158,021.44x = 19,537,447.68 × 7,963,584.96 - Step 4: Simplify right side
14,158,021.44x = 155,588,124,501,234.88 - Step 5: Solve for x
x = 155,588,124,501,234.88/14,158,021.44 - Step 6: Final answer
x = 10,989,397.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.