Finding the Fourth Proportional to 13,336,170.94, 18,403,889.07 and 7,224,614.02
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Solution
The fourth proportional to 13,336,170.94, 18,403,889.07 and 7,224,614.02 is: 9,969,952.81
Step by Step Solution
- Step 1: Write the proportion equation
13,336,170.94 : 18,403,889.07 = 7,224,614.02 : x - Step 2: Convert to fraction form
13,336,170.94/18,403,889.07 = 7,224,614.02/x - Step 3: Cross multiply
13,336,170.94x = 18,403,889.07 × 7,224,614.02 - Step 4: Simplify right side
13,336,170.94x = 132,960,994,997,646.75 - Step 5: Solve for x
x = 132,960,994,997,646.75/13,336,170.94 - Step 6: Final answer
x = 9,969,952.81
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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.