Finding the Fourth Proportional to 19,751,589.88, 29,621,235.68 and 6,969,099.76
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Solution
The fourth proportional to 19,751,589.88, 29,621,235.68 and 6,969,099.76 is: 10,451,479.99
Step by Step Solution
- Step 1: Write the proportion equation
19,751,589.88 : 29,621,235.68 = 6,969,099.76 : x - Step 2: Convert to fraction form
19,751,589.88/29,621,235.68 = 6,969,099.76/x - Step 3: Cross multiply
19,751,589.88x = 29,621,235.68 × 6,969,099.76 - Step 4: Simplify right side
19,751,589.88x = 206,433,346,359,492.88 - Step 5: Solve for x
x = 206,433,346,359,492.88/19,751,589.88 - Step 6: Final answer
x = 10,451,479.99
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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.