Finding the Fourth Proportional to 13,337,287.04, 18,405,544.48 and 7,225,715.54
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Solution
The fourth proportional to 13,337,287.04, 18,405,544.48 and 7,225,715.54 is: 9,971,535.32
Step by Step Solution
- Step 1: Write the proportion equation
13,337,287.04 : 18,405,544.48 = 7,225,715.54 : x - Step 2: Convert to fraction form
13,337,287.04/18,405,544.48 = 7,225,715.54/x - Step 3: Cross multiply
13,337,287.04x = 18,405,544.48 × 7,225,715.54 - Step 4: Simplify right side
13,337,287.04x = 132,993,228,771,297.22 - Step 5: Solve for x
x = 132,993,228,771,297.22/13,337,287.04 - Step 6: Final answer
x = 9,971,535.32
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1.5x scale
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.