Finding the Fourth Proportional to 19,589,493.68, 29,384,529.56 and 7,459,635.84
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Solution
The fourth proportional to 19,589,493.68, 29,384,529.56 and 7,459,635.84 is: 11,189,563.83
Step by Step Solution
- Step 1: Write the proportion equation
19,589,493.68 : 29,384,529.56 = 7,459,635.84 : x - Step 2: Convert to fraction form
19,589,493.68/29,384,529.56 = 7,459,635.84/x - Step 3: Cross multiply
19,589,493.68x = 29,384,529.56 × 7,459,635.84 - Step 4: Simplify right side
19,589,493.68x = 219,197,889,847,315.41 - Step 5: Solve for x
x = 219,197,889,847,315.41/19,589,493.68 - Step 6: Final answer
x = 11,189,563.83
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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.