Finding the Fourth Proportional to 13,959,171.63, 19,266,421.19 and 9,057,513.87
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Solution
The fourth proportional to 13,959,171.63, 19,266,421.19 and 9,057,513.87 is: 12,501,162.80
Step by Step Solution
- Step 1: Write the proportion equation
13,959,171.63 : 19,266,421.19 = 9,057,513.87 : x - Step 2: Convert to fraction form
13,959,171.63/19,266,421.19 = 9,057,513.87/x - Step 3: Cross multiply
13,959,171.63x = 19,266,421.19 × 9,057,513.87 - Step 4: Simplify right side
13,959,171.63x = 174,505,877,108,399.31 - Step 5: Solve for x
x = 174,505,877,108,399.31/13,959,171.63 - Step 6: Final answer
x = 12,501,162.80
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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.