Finding the Fourth Proportional to 13,327,984.87, 19,992,725.03 and 3,742,615.98
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Solution
The fourth proportional to 13,327,984.87, 19,992,725.03 and 3,742,615.98 is: 5,614,133.94
Step by Step Solution
- Step 1: Write the proportion equation
13,327,984.87 : 19,992,725.03 = 3,742,615.98 : x - Step 2: Convert to fraction form
13,327,984.87/19,992,725.03 = 3,742,615.98/x - Step 3: Cross multiply
13,327,984.87x = 19,992,725.03 × 3,742,615.98 - Step 4: Simplify right side
13,327,984.87x = 74,825,092,181,023.98 - Step 5: Solve for x
x = 74,825,092,181,023.98/13,327,984.87 - Step 6: Final answer
x = 5,614,133.94
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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.