Finding the Fourth Proportional to 18,571,475.68, 27,863,712.96 and 7,219,889.44
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Solution
The fourth proportional to 18,571,475.68, 27,863,712.96 and 7,219,889.44 is: 10,832,360.90
Step by Step Solution
- Step 1: Write the proportion equation
18,571,475.68 : 27,863,712.96 = 7,219,889.44 : x - Step 2: Convert to fraction form
18,571,475.68/27,863,712.96 = 7,219,889.44/x - Step 3: Cross multiply
18,571,475.68x = 27,863,712.96 × 7,219,889.44 - Step 4: Simplify right side
18,571,475.68x = 201,172,926,959,095.16 - Step 5: Solve for x
x = 201,172,926,959,095.16/18,571,475.68 - Step 6: Final answer
x = 10,832,360.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.