Finding the Fourth Proportional to 13,337,048.94, 18,405,146.28 and 7,225,477.44
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Solution
The fourth proportional to 13,337,048.94, 18,405,146.28 and 7,225,477.44 is: 9,971,169.02
Step by Step Solution
- Step 1: Write the proportion equation
13,337,048.94 : 18,405,146.28 = 7,225,477.44 : x - Step 2: Convert to fraction form
13,337,048.94/18,405,146.28 = 7,225,477.44/x - Step 3: Cross multiply
13,337,048.94x = 18,405,146.28 × 7,225,477.44 - Step 4: Simplify right side
13,337,048.94x = 132,985,969,226,039.94 - Step 5: Solve for x
x = 132,985,969,226,039.94/13,337,048.94 - Step 6: Final answer
x = 9,971,169.02
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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.