Finding the Fourth Proportional to 7,411,313.84, 11,100,779.93 and 3,080,232.70
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Solution
The fourth proportional to 7,411,313.84, 11,100,779.93 and 3,080,232.70 is: 4,613,619.94
Step by Step Solution
- Step 1: Write the proportion equation
7,411,313.84 : 11,100,779.93 = 3,080,232.70 : x - Step 2: Convert to fraction form
7,411,313.84/11,100,779.93 = 3,080,232.70/x - Step 3: Cross multiply
7,411,313.84x = 11,100,779.93 × 3,080,232.70 - Step 4: Simplify right side
7,411,313.84x = 34,192,985,315,838.34 - Step 5: Solve for x
x = 34,192,985,315,838.34/7,411,313.84 - Step 6: Final answer
x = 4,613,619.94
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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.