Finding the Fourth Proportional to 19,983,090.57, 27,576,890.73 and 11,723,293.68
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Solution
The fourth proportional to 19,983,090.57, 27,576,890.73 and 11,723,293.68 is: 16,178,277.71
Step by Step Solution
- Step 1: Write the proportion equation
19,983,090.57 : 27,576,890.73 = 11,723,293.68 : x - Step 2: Convert to fraction form
19,983,090.57/27,576,890.73 = 11,723,293.68/x - Step 3: Cross multiply
19,983,090.57x = 27,576,890.73 × 11,723,293.68 - Step 4: Simplify right side
19,983,090.57x = 323,291,988,809,059.56 - Step 5: Solve for x
x = 323,291,988,809,059.56/19,983,090.57 - Step 6: Final answer
x = 16,178,277.71
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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.