Finding the Fourth Proportional to 8,984,911.23, 13,477,814.36 and 4,378,129.68
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Solution
The fourth proportional to 8,984,911.23, 13,477,814.36 and 4,378,129.68 is: 6,567,412.59
Step by Step Solution
- Step 1: Write the proportion equation
8,984,911.23 : 13,477,814.36 = 4,378,129.68 : x - Step 2: Convert to fraction form
8,984,911.23/13,477,814.36 = 4,378,129.68/x - Step 3: Cross multiply
8,984,911.23x = 13,477,814.36 × 4,378,129.68 - Step 4: Simplify right side
8,984,911.23x = 59,007,619,116,115.34 - Step 5: Solve for x
x = 59,007,619,116,115.34/8,984,911.23 - Step 6: Final answer
x = 6,567,412.59
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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.