Finding the Fourth Proportional to 18,299,166.99, 27,448,814.61 and 4,652,314.83
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Solution
The fourth proportional to 18,299,166.99, 27,448,814.61 and 4,652,314.83 is: 6,978,488.55
Step by Step Solution
- Step 1: Write the proportion equation
18,299,166.99 : 27,448,814.61 = 4,652,314.83 : x - Step 2: Convert to fraction form
18,299,166.99/27,448,814.61 = 4,652,314.83/x - Step 3: Cross multiply
18,299,166.99x = 27,448,814.61 × 4,652,314.83 - Step 4: Simplify right side
18,299,166.99x = 127,700,527,276,023.67 - Step 5: Solve for x
x = 127,700,527,276,023.67/18,299,166.99 - Step 6: Final answer
x = 6,978,488.55
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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.