Finding the Fourth Proportional to 13,165,365.49, 19,740,947.64 and 5,972,975.08
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Solution
The fourth proportional to 13,165,365.49, 19,740,947.64 and 5,972,975.08 is: 8,956,241.16
Step by Step Solution
- Step 1: Write the proportion equation
13,165,365.49 : 19,740,947.64 = 5,972,975.08 : x - Step 2: Convert to fraction form
13,165,365.49/19,740,947.64 = 5,972,975.08/x - Step 3: Cross multiply
13,165,365.49x = 19,740,947.64 × 5,972,975.08 - Step 4: Simplify right side
13,165,365.49x = 117,912,188,309,304.81 - Step 5: Solve for x
x = 117,912,188,309,304.81/13,165,365.49 - Step 6: Final answer
x = 8,956,241.16
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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.