Finding the Fourth Proportional to 13,209,867.42, 18,230,615.46 and 7,330,614.54
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Solution
The fourth proportional to 13,209,867.42, 18,230,615.46 and 7,330,614.54 is: 10,116,802.12
Step by Step Solution
- Step 1: Write the proportion equation
13,209,867.42 : 18,230,615.46 = 7,330,614.54 : x - Step 2: Convert to fraction form
13,209,867.42/18,230,615.46 = 7,330,614.54/x - Step 3: Cross multiply
13,209,867.42x = 18,230,615.46 × 7,330,614.54 - Step 4: Simplify right side
13,209,867.42x = 133,641,614,764,224.80 - Step 5: Solve for x
x = 133,641,614,764,224.80/13,209,867.42 - Step 6: Final answer
x = 10,116,802.12
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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.