Finding the Fourth Proportional to 11,565,576.10, 17,331,775.35 and 8,509,089.70
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Solution
The fourth proportional to 11,565,576.10, 17,331,775.35 and 8,509,089.70 is: 12,751,429.75
Step by Step Solution
- Step 1: Write the proportion equation
11,565,576.10 : 17,331,775.35 = 8,509,089.70 : x - Step 2: Convert to fraction form
11,565,576.10/17,331,775.35 = 8,509,089.70/x - Step 3: Cross multiply
11,565,576.10x = 17,331,775.35 × 8,509,089.70 - Step 4: Simplify right side
11,565,576.10x = 147,477,631,113,398.91 - Step 5: Solve for x
x = 147,477,631,113,398.91/11,565,576.10 - Step 6: Final answer
x = 12,751,429.75
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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.